Takashi Niwa

Person

Chiba-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Timepiece
- Patent number 10,067,475
- Issue date Sep 4, 2018
- Seiko Instruments Inc.
- Takashi Niwa
- G04 - HOROLOGY
Information Patent Grant
Mechanical component, mechanical component manufacturing method, mo...
- Patent number 9,817,369
- Issue date Nov 14, 2017
- Seiko Instruments Inc.
- Sachiko Tanabe
- G04 - HOROLOGY
Information Patent Grant
Mechanical component, movement, and timepiece
- Patent number 9,753,433
- Issue date Sep 5, 2017
- Seiko Instruments Inc.
- Sachiko Tanabe
- G04 - HOROLOGY
Information Patent Grant
Mechanical component, mechanical component manufacturing method, mo...
- Patent number 9,678,477
- Issue date Jun 13, 2017
- Seiko Instruments Inc.
- Sachiko Tanabe
- G04 - HOROLOGY
Information Patent Grant
Electric generator device, timepiece movement, and timepiece
- Patent number 9,665,069
- Issue date May 30, 2017
- Asahi Glass Company, Limited
- Yoshiki Hamatani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Operation stabilizing mechanism, movement, and mechanical timepiece
- Patent number 9,568,887
- Issue date Feb 14, 2017
- Seiko Instruments Inc.
- Takuma Kawauchiya
- G04 - HOROLOGY
Information Patent Grant
Metal structure, method of manufacturing metal structure, spring co...
- Patent number 9,310,772
- Issue date Apr 12, 2016
- Seiko Instruments Inc.
- Miei Konishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Temperature compensation-type balance, timepiece movement, mechanic...
- Patent number 9,235,193
- Issue date Jan 12, 2016
- Seiko Instruments Inc.
- Takashi Niwa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Balance, timepiece movement, timepiece and manufacturing method of...
- Patent number 9,188,956
- Issue date Nov 17, 2015
- Seiko Instruments Inc.
- Masahiro Nakajima
- G04 - HOROLOGY
Information Patent Grant
Operation stabilization mechanism, movement, and mechanical timepiece
- Patent number 9,164,486
- Issue date Oct 20, 2015
- Seiko Instruments Inc.
- Takuma Kawauchiya
- G04 - HOROLOGY
Information Patent Grant
Balance with hairspring, movement, and timepiece
- Patent number 9,128,465
- Issue date Sep 8, 2015
- Seiko Instruments Inc.
- Takuma Kawauchiya
- G04 - HOROLOGY
Information Patent Grant
Constant force device, movement and mechanical timepiece
- Patent number 9,052,693
- Issue date Jun 9, 2015
- Seiko Instruments Inc.
- Takuma Kawauchiya
- G04 - HOROLOGY
Information Patent Grant
Manufacturing method of timepiece part and timepiece part
- Patent number 9,045,832
- Issue date Jun 2, 2015
- Seiko Instruments Inc.
- Takuya Murazumi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method manufacturing electroforming mold
- Patent number 8,852,491
- Issue date Oct 7, 2014
- Seiko Instruments Inc.
- Takashi Niwa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Detent escapement and mechanical timepiece
- Patent number 8,807,827
- Issue date Aug 19, 2014
- Seiko Instruments Inc.
- Masayuki Koda
- G04 - HOROLOGY
Information Patent Grant
Detent escapement for timepiece and mechanical timepiece
- Patent number 8,801,268
- Issue date Aug 12, 2014
- Seiko Instruments Inc.
- Hiroki Uchiyama
- G04 - HOROLOGY
Information Patent Grant
Near-field optical head having tapered hole for guiding light beam
- Patent number 8,787,128
- Issue date Jul 22, 2014
- Seiko Instruments Inc.
- Kenji Kato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Detent escapement and manufacturing method thereof
- Patent number 8,783,943
- Issue date Jul 22, 2014
- Seiko Instruments Inc.
- Masayuki Koda
- G04 - HOROLOGY
Information Patent Grant
Sliding component and timepiece
- Patent number 8,747,993
- Issue date Jun 10, 2014
- Seiko Instruments Inc.
- Miei Sato
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Timepiece bearing, movement, and portable timepiece
- Patent number 8,702,301
- Issue date Apr 22, 2014
- Seiko Instruments Inc.
- Masashi Hiraoka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Detent escapement and mechanical timepiece including detent escapement
- Patent number 8,696,194
- Issue date Apr 15, 2014
- Seiko Instruments Inc.
- Masayuki Koda
- G04 - HOROLOGY
Information Patent Grant
Escapement governor, mechanical watch, pallet fork (incomplete) man...
- Patent number 8,591,101
- Issue date Nov 26, 2013
- Seiko Instruments
- Masashi Hiraoka
- G04 - HOROLOGY
Information Patent Grant
Method of manufacturing electroforming mold, electroforming mold, a...
- Patent number 8,518,632
- Issue date Aug 27, 2013
- Seiko Instruments Inc.
- Takashi Niwa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Detent escapement for timepiece and mechanical timepiece
- Patent number 8,491,183
- Issue date Jul 23, 2013
- Seiko Instruments Inc.
- Masayuki Koda
- G04 - HOROLOGY
Information Patent Grant
Near-field optical head having tapered hole for guiding light beam
- Patent number 8,320,228
- Issue date Nov 27, 2012
- Seiko Instruments Inc.
- Kenji Kato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Information reproducing apparatus and information reproducing method
- Patent number 8,289,819
- Issue date Oct 16, 2012
- Seiko Instruments Inc.
- Manabu Oumi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electroforming mold and method for manufacturing the same, and meth...
- Patent number 8,021,534
- Issue date Sep 20, 2011
- Seiko Instruments Inc.
- Takashi Niwa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electroforming mold and method for manufacturing the same, and meth...
- Patent number 7,887,995
- Issue date Feb 15, 2011
- Seiko Instruments Inc.
- Takashi Niwa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Near field optical head and optical recording device
- Patent number 7,630,287
- Issue date Dec 8, 2009
- Seiko Instruments Inc.
- Manabu Oumi
- G11 - INFORMATION STORAGE
Information Patent Grant
Near-field optical probe for reproducing information on a recording...
- Patent number 7,602,692
- Issue date Oct 13, 2009
- Seiko Instruments Inc.
- Manabu Oumi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MECHANICAL COMPONENT, MECHANICAL COMPONENT MANUFACTURING METHOD, MO...
- Publication number 20170315509
- Publication date Nov 2, 2017
- SEIKO INSTRUMENTS INC.
- Sachiko TANABE
- G04 - HOROLOGY
Information Patent Application
TIMEPIECE
- Publication number 20170212475
- Publication date Jul 27, 2017
- SEIKO INSTRUMENTS INC.
- Takashi NIWA
- G04 - HOROLOGY
Information Patent Application
OPERATION STABILIZING MECHANISM, MOVEMENT, AND MECHANICAL TIMEPIECE
- Publication number 20160266547
- Publication date Sep 15, 2016
- SEIKO INSTRUMENTS INC.
- Takuma KAWAUCHIYA
- G04 - HOROLOGY
Information Patent Application
ELECTRIC GENERATOR DEVICE, TIMEPIECE MOVEMENT, AND TIMEPIECE
- Publication number 20160170377
- Publication date Jun 16, 2016
- Asahi Glass Company, Limited
- Yoshiki HAMATANI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MECHANICAL COMPONENT, MECHANICAL COMPONENT MANUFACTURING METHOD, MO...
- Publication number 20160077490
- Publication date Mar 17, 2016
- SEIKO INSTRUMENTS INC.
- Sachiko TANABE
- G04 - HOROLOGY
Information Patent Application
MECHANICAL COMPONENT, MECHANICAL COMPONENT MANUFACTURING METHOD, MO...
- Publication number 20160077491
- Publication date Mar 17, 2016
- SEIKO INSTRUMENTS INC.
- Sachiko TANABE
- G04 - HOROLOGY
Information Patent Application
BALANCE WITH HAIRSPRING, MOVEMENT, AND TIMEPIECE
- Publication number 20150185700
- Publication date Jul 2, 2015
- SEIKO INSTRUMENTS INC.
- Takuma KAWAUCHIYA
- G04 - HOROLOGY
Information Patent Application
CONSTANT FORCE DEVICE, MOVEMENT AND MECHANICAL TIMEPIECE
- Publication number 20150063084
- Publication date Mar 5, 2015
- SEIKO INSTRUMENTS INC.
- Takuma KAWAUCHIYA
- G04 - HOROLOGY
Information Patent Application
OPERATION STABILIZATION MECHANISM, MOVEMENT, AND MECHANICAL TIMEPIECE
- Publication number 20150063083
- Publication date Mar 5, 2015
- SEIKO INSTRUMENTS INC.
- Takuma KAWAUCHIYA
- G04 - HOROLOGY
Information Patent Application
METAL STRUCTURE, METHOD OF MANUFACTURING METAL STRUCTURE, SPRING CO...
- Publication number 20140269228
- Publication date Sep 18, 2014
- SEIKO INSTRUMENTS INC.
- Miei KONISHI
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
TEMPERATURE COMPENSATION-TYPE BALANCE, TIMEPIECE MOVEMENT, MECHANIC...
- Publication number 20140241134
- Publication date Aug 28, 2014
- Seiko Instruments Inc.
- Takashi NIWA
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
BALANCE, TIMEPIECE MOVEMENT, TIMEPIECE AND MANUFACTURING METHOD OF...
- Publication number 20140185418
- Publication date Jul 3, 2014
- Seiko Instruments Inc.
- Masahiro NAKAJIMA
- G04 - HOROLOGY
Information Patent Application
METHOD OF MANUFACTURING ELECTROFORMING MOLD, ELECTROFORMING MOLD, A...
- Publication number 20130252173
- Publication date Sep 26, 2013
- SEIKO INSTRUMENTS INC.
- Takashi NIWA
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
NEAR-FIELD OPTICAL HEAD AND METHOD FOR MANUFACTURING SAME
- Publication number 20130114389
- Publication date May 9, 2013
- Kenji KATO
- B82 - NANO-TECHNOLOGY
Information Patent Application
DETENT ESCAPEMENT AND MECHANICAL TIMEPIECE
- Publication number 20130070571
- Publication date Mar 21, 2013
- SEIKO INSTRUMENTS INC.
- Masayuki Koda
- G04 - HOROLOGY
Information Patent Application
DECORATIVE COMPONENT, TIMEPIECE, AND MANUFACTURING METHOD OF DECORA...
- Publication number 20120325374
- Publication date Dec 27, 2012
- Takuya MURAZUMI
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
DETENT ESCAPEMENT AND MANUFACTURING METHOD THEREOF
- Publication number 20120300596
- Publication date Nov 29, 2012
- Masayuki Koda
- G04 - HOROLOGY
Information Patent Application
DETENT ESCAPEMENT AND MECHANICAL TIMEPIECE INCLUDING DETENT ESCAPEMENT
- Publication number 20120218870
- Publication date Aug 30, 2012
- Masayuki Koda
- G04 - HOROLOGY
Information Patent Application
Manufacturing method of timepiece part and timepiece part
- Publication number 20120155228
- Publication date Jun 21, 2012
- Takuya Murazumi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Part, timepiece, and manufacturing method of part
- Publication number 20120152748
- Publication date Jun 21, 2012
- Akiko Araki
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Decorative part, timepiece, and manufacturing method of decorative...
- Publication number 20120155229
- Publication date Jun 21, 2012
- Akiko Araki
- G04 - HOROLOGY
Information Patent Application
Detent escapement for timepiece and mechanical timepiece
- Publication number 20120063273
- Publication date Mar 15, 2012
- Masayuki Koda
- G04 - HOROLOGY
Information Patent Application
Detent escapement for timepiece and mechanical timepiece
- Publication number 20120063274
- Publication date Mar 15, 2012
- Hiroki Uchiyama
- G04 - HOROLOGY
Information Patent Application
Timepiece bearing, movement, and portable timepiece
- Publication number 20110080810
- Publication date Apr 7, 2011
- Masashi Hiraoka
- G04 - HOROLOGY
Information Patent Application
SLIDING COMPONENT AND TIMEPIECE
- Publication number 20110045249
- Publication date Feb 24, 2011
- Miei Sato
- G04 - HOROLOGY
Information Patent Application
METHOD FOR MANUFACTURING ELECTROFORMED MOLD, ELECTROFORMED MOLD, AN...
- Publication number 20100288643
- Publication date Nov 18, 2010
- SEIKO INSTRUMENTS INC.
- Takashi Niwa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ESCAPEMENT GOVERNOR, MECHANICAL WATCH, PALLET FORK (INCOMPLETE) MAN...
- Publication number 20100208555
- Publication date Aug 19, 2010
- Masashi HIRAOKA
- G04 - HOROLOGY
Information Patent Application
Near-field optical head having tapered hole for guiding light beam
- Publication number 20100128578
- Publication date May 27, 2010
- Kenji Kato
- G02 - OPTICS
Information Patent Application
Electroforming mold and method for manufacturing the same, and meth...
- Publication number 20100116670
- Publication date May 13, 2010
- Takashi Niwa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Information reproducing apparatus and information reproducing method
- Publication number 20100008211
- Publication date Jan 14, 2010
- Manabu Oumi
- G11 - INFORMATION STORAGE

Takashi Niwa

Person

Patents Grantslast 30 patents

Timepiece

Mechanical component, mechanical component manufacturing method, mo...

Mechanical component, movement, and timepiece

Mechanical component, mechanical component manufacturing method, mo...

Electric generator device, timepiece movement, and timepiece

Operation stabilizing mechanism, movement, and mechanical timepiece

Metal structure, method of manufacturing metal structure, spring co...

Temperature compensation-type balance, timepiece movement, mechanic...

Balance, timepiece movement, timepiece and manufacturing method of...

Operation stabilization mechanism, movement, and mechanical timepiece

Balance with hairspring, movement, and timepiece

Constant force device, movement and mechanical timepiece

Manufacturing method of timepiece part and timepiece part

Method manufacturing electroforming mold

Detent escapement and mechanical timepiece

Detent escapement for timepiece and mechanical timepiece

Near-field optical head having tapered hole for guiding light beam

Detent escapement and manufacturing method thereof

Sliding component and timepiece

Timepiece bearing, movement, and portable timepiece

Detent escapement and mechanical timepiece including detent escapement

Escapement governor, mechanical watch, pallet fork (incomplete) man...

Method of manufacturing electroforming mold, electroforming mold, a...

Detent escapement for timepiece and mechanical timepiece

Near-field optical head having tapered hole for guiding light beam

Information reproducing apparatus and information reproducing method

Electroforming mold and method for manufacturing the same, and meth...

Electroforming mold and method for manufacturing the same, and meth...

Near field optical head and optical recording device

Near-field optical probe for reproducing information on a recording...

Patents Applicationslast 30 patents

MECHANICAL COMPONENT, MECHANICAL COMPONENT MANUFACTURING METHOD, MO...

TIMEPIECE

OPERATION STABILIZING MECHANISM, MOVEMENT, AND MECHANICAL TIMEPIECE

ELECTRIC GENERATOR DEVICE, TIMEPIECE MOVEMENT, AND TIMEPIECE

MECHANICAL COMPONENT, MECHANICAL COMPONENT MANUFACTURING METHOD, MO...

MECHANICAL COMPONENT, MECHANICAL COMPONENT MANUFACTURING METHOD, MO...

BALANCE WITH HAIRSPRING, MOVEMENT, AND TIMEPIECE

CONSTANT FORCE DEVICE, MOVEMENT AND MECHANICAL TIMEPIECE

OPERATION STABILIZATION MECHANISM, MOVEMENT, AND MECHANICAL TIMEPIECE

METAL STRUCTURE, METHOD OF MANUFACTURING METAL STRUCTURE, SPRING CO...

TEMPERATURE COMPENSATION-TYPE BALANCE, TIMEPIECE MOVEMENT, MECHANIC...

BALANCE, TIMEPIECE MOVEMENT, TIMEPIECE AND MANUFACTURING METHOD OF...

METHOD OF MANUFACTURING ELECTROFORMING MOLD, ELECTROFORMING MOLD, A...

NEAR-FIELD OPTICAL HEAD AND METHOD FOR MANUFACTURING SAME

DETENT ESCAPEMENT AND MECHANICAL TIMEPIECE

DECORATIVE COMPONENT, TIMEPIECE, AND MANUFACTURING METHOD OF DECORA...

DETENT ESCAPEMENT AND MANUFACTURING METHOD THEREOF

DETENT ESCAPEMENT AND MECHANICAL TIMEPIECE INCLUDING DETENT ESCAPEMENT

Manufacturing method of timepiece part and timepiece part

Part, timepiece, and manufacturing method of part

Decorative part, timepiece, and manufacturing method of decorative...

Detent escapement for timepiece and mechanical timepiece

Detent escapement for timepiece and mechanical timepiece

Timepiece bearing, movement, and portable timepiece

SLIDING COMPONENT AND TIMEPIECE

METHOD FOR MANUFACTURING ELECTROFORMED MOLD, ELECTROFORMED MOLD, AN...

ESCAPEMENT GOVERNOR, MECHANICAL WATCH, PALLET FORK (INCOMPLETE) MAN...

Near-field optical head having tapered hole for guiding light beam

Electroforming mold and method for manufacturing the same, and meth...

Information reproducing apparatus and information reproducing method