Kei Hirano

Person

Chiba-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Retrograde display mechanism and timepiece having the same
- Patent number 8,724,430
- Issue date May 13, 2014
- Seiko Instruments Inc.
- Kei Hirano
- G04 - HOROLOGY
Information Patent Grant
Calendar mechanism and analog timepiece equipped with same mechanism
- Patent number 8,279,717
- Issue date Oct 2, 2012
- Seiko Instruments Inc.
- Kei Hirano
- G04 - HOROLOGY
Information Patent Grant
Calendar mechanism and analog timepiece equipped with same mechanism
- Patent number 8,279,718
- Issue date Oct 2, 2012
- Seiko Instruments Inc.
- Kei Hirano
- G04 - HOROLOGY
Information Patent Grant
Day display apparatus and watch having the same
- Patent number 7,961,556
- Issue date Jun 14, 2011
- Seiko Instruments Inc.
- Kei Hirano
- G04 - HOROLOGY
Information Patent Grant
Multifunctional clock capable of realizing plurality of movement la...
- Patent number 7,609,588
- Issue date Oct 27, 2009
- Seiko Instruments Inc.
- Takeshi Tokoro
- G04 - HOROLOGY
Information Patent Grant
Multifunctional timepiece including plural types of hand operating...
- Patent number 7,443,768
- Issue date Oct 28, 2008
- Seiko Instruments Inc.
- Mamoru Watanabe
- G04 - HOROLOGY
Information Patent Grant
Display correcting mechanism and timepiece having display correctin...
- Patent number 7,275,860
- Issue date Oct 2, 2007
- Seiko Instruments Inc.
- Kei Hirano
- G04 - HOROLOGY
Information Patent Grant
Multifunction timepiece having fan shape moving hand train wheel an...
- Patent number 7,269,102
- Issue date Sep 11, 2007
- Seiko Instruments Inc.
- Kei Hirano
- G04 - HOROLOGY
Information Patent Grant
Multifunction timepiece having fan shape moving hand mechanism incl...
- Patent number 7,269,101
- Issue date Sep 11, 2007
- Seiko Instruments Inc.
- Mamoru Watanabe
- G04 - HOROLOGY
Information Patent Grant
Multifunction timepiece capable of constituting plural fan shape mo...
- Patent number 7,215,602
- Issue date May 8, 2007
- Seiko Instruments Inc.
- Kei Hirano
- G04 - HOROLOGY
Information Patent Grant
Analog chronograph timepiece having plural motors
- Patent number 6,987,712
- Issue date Jan 17, 2006
- Seiko Instruments Inc.
- Tamotsu Ono
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece
- Patent number 6,965,544
- Issue date Nov 15, 2005
- Seiko Instruments Inc.
- Mamoru Watanabe
- G04 - HOROLOGY
Information Patent Grant
Hand motion irregularity suppressed timepiece
- Patent number 6,755,567
- Issue date Jun 29, 2004
- Seiko Instruments Inc.
- Mamoru Watanabe
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
RETROGRADE DISPLAY MECHANISM AND TIMEPIECE HAVING THE SAME
- Publication number 20120236691
- Publication date Sep 20, 2012
- Kei Hirano
- G04 - HOROLOGY
Information Patent Application
Calendar mechanism and analog timepiece equipped with same mechanism
- Publication number 20110090766
- Publication date Apr 21, 2011
- Kei Hirano
- G04 - HOROLOGY
Information Patent Application
Calendar mechanism and analog timepiece equipped with same mechanism
- Publication number 20110090767
- Publication date Apr 21, 2011
- Kei Hirano
- G04 - HOROLOGY
Information Patent Application
Day display apparatus and watch having the same
- Publication number 20090316534
- Publication date Dec 24, 2009
- Kei Hirano
- G04 - HOROLOGY
Information Patent Application
Multifunctional Timepiece Including Plural Types Of Hand Operating...
- Publication number 20080130419
- Publication date Jun 5, 2008
- Seiko Instruments Inc.
- Mamoru Watanabe
- G04 - HOROLOGY
Information Patent Application
Multifunctional Clock Capable of Realizing Plurality of Movement La...
- Publication number 20070291593
- Publication date Dec 20, 2007
- Takeshi Tokoro
- G04 - HOROLOGY
Information Patent Application
Timepiece
- Publication number 20070201315
- Publication date Aug 30, 2007
- Kei Hirano
- G04 - HOROLOGY
Information Patent Application
Multifunction timepiece capable of constituting plural fan shape mo...
- Publication number 20060140057
- Publication date Jun 29, 2006
- Kei Hirano
- G04 - HOROLOGY
Information Patent Application
Multifunction timepiece having fan shape moving hand train wheel an...
- Publication number 20060126442
- Publication date Jun 15, 2006
- Kei Hirano
- G04 - HOROLOGY
Information Patent Application
Multifunction timepiece having fan shape moving hand mechanism incl...
- Publication number 20060126436
- Publication date Jun 15, 2006
- Namoru Watanabe
- G04 - HOROLOGY
Information Patent Application
Timepiece having display correcting mechanism
- Publication number 20050162983
- Publication date Jul 28, 2005
- Kei Hirano
- G04 - HOROLOGY
Information Patent Application
Analog electronic timepiece having train wheel setting lever
- Publication number 20040027923
- Publication date Feb 12, 2004
- Tamotsu Ono
- G04 - HOROLOGY
Information Patent Application
Analog chronograph timepiece having plural motors
- Publication number 20040008586
- Publication date Jan 15, 2004
- Tamotsu Ono
- G04 - HOROLOGY
Information Patent Application
Electronic timepiece
- Publication number 20030147311
- Publication date Aug 7, 2003
- Mamoru Watanabe
- G04 - HOROLOGY
Information Patent Application
Hand motion irregularity suppressed timepiece
- Publication number 20030137902
- Publication date Jul 24, 2003
- Mamoru Watanabe
- G04 - HOROLOGY

Person

Patents Grantslast 30 patents

Retrograde display mechanism and timepiece having the same

Calendar mechanism and analog timepiece equipped with same mechanism

Calendar mechanism and analog timepiece equipped with same mechanism

Day display apparatus and watch having the same

Multifunctional clock capable of realizing plurality of movement la...

Multifunctional timepiece including plural types of hand operating...

Display correcting mechanism and timepiece having display correctin...

Multifunction timepiece having fan shape moving hand train wheel an...

Multifunction timepiece having fan shape moving hand mechanism incl...

Multifunction timepiece capable of constituting plural fan shape mo...

Analog chronograph timepiece having plural motors

Electronic timepiece

Hand motion irregularity suppressed timepiece

Patents Applicationslast 30 patents

RETROGRADE DISPLAY MECHANISM AND TIMEPIECE HAVING THE SAME

Calendar mechanism and analog timepiece equipped with same mechanism

Calendar mechanism and analog timepiece equipped with same mechanism

Day display apparatus and watch having the same

Multifunctional Timepiece Including Plural Types Of Hand Operating...

Multifunctional Clock Capable of Realizing Plurality of Movement La...

Timepiece

Multifunction timepiece capable of constituting plural fan shape mo...

Multifunction timepiece having fan shape moving hand train wheel an...

Multifunction timepiece having fan shape moving hand mechanism incl...

Timepiece having display correcting mechanism

Analog electronic timepiece having train wheel setting lever

Analog chronograph timepiece having plural motors

Electronic timepiece

Hand motion irregularity suppressed timepiece