Hiroaki TAKAGI

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Rotating device and image forming apparatus
- Patent number 12,077,403
- Issue date Sep 3, 2024
- Ricoh Company, LTD.
- Hiroaki Takagi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Transfer device and image forming apparatus including photoconducto...
- Patent number 11,803,135
- Issue date Oct 31, 2023
- Ricoh Company, Ltd.
- Nagisa Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drive device and image forming apparatus incorporating the drive de...
- Patent number 11,747,763
- Issue date Sep 5, 2023
- Ricoh Company, Ltd.
- Hiroaki Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus incorporating writing device
- Patent number 11,036,157
- Issue date Jun 15, 2021
- Ricoh Company, Ltd.
- Hiroaki Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,022,921
- Issue date Jun 1, 2021
- Ricoh Company, Ltd.
- Yasuhiro Maehata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 10,877,415
- Issue date Dec 29, 2020
- Ricoh Company, Ltd.
- Hiroaki Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drive transmission device and image forming apparatus incorporating...
- Patent number 10,656,565
- Issue date May 19, 2020
- Ricoh Company, Ltd.
- Shogo Nakamoto
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Image forming apparatus with reduced long period gap variation
- Patent number 10,520,870
- Issue date Dec 31, 2019
- Ricoh Company, Ltd.
- Hiroaki Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drive transmission device and image forming apparatus incorporating...
- Patent number 10,268,158
- Issue date Apr 23, 2019
- Ricoh Company, Ltd.
- Hiroaki Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drive transmitter and image forming apparatus incorporating the dri...
- Patent number 10,248,071
- Issue date Apr 2, 2019
- Ricoh Company, Ltd.
- Hiroaki Takagi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Drive transmission device and image forming apparatus including same
- Patent number 10,054,896
- Issue date Aug 21, 2018
- Ricoh Company, Ltd.
- Hiroaki Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Power transmission device and image forming apparatus including same
- Patent number 9,879,733
- Issue date Jan 30, 2018
- Ricoh Company, Ltd.
- Hiroaki Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rotary drive device and image forming apparatus
- Patent number 9,581,953
- Issue date Feb 28, 2017
- Ricoh Company, Limited
- Naoyuki Suido
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Driving force transmission device and image forming apparatus using...
- Patent number 9,494,906
- Issue date Nov 15, 2016
- Ricoh Company, Ltd.
- Kimiharu Yamazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device having tripod type constant-velocity joint for...
- Patent number 9,367,018
- Issue date Jun 14, 2016
- NTN Corporation
- Hiroshi Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drive transmission mechanism and image forming apparatus including...
- Patent number 9,261,185
- Issue date Feb 16, 2016
- Ricoh Company, Ltd.
- Hiroaki Takagi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Transmission device, driving assembly including the transmission de...
- Patent number 9,046,163
- Issue date Jun 2, 2015
- Ricoh Company, Ltd.
- Hiroaki Takagi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Image forming apparatus capable of suppressing belt walk
- Patent number 8,897,672
- Issue date Nov 25, 2014
- Ricoh Company, Ltd.
- Hiroaki Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
To-be-transferred object length measurement device and image formin...
- Patent number 8,639,174
- Issue date Jan 28, 2014
- Ricoh Company, Ltd.
- Masahiro Ashikawa
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Belt driving device and image forming apparatus using the same
- Patent number 8,406,665
- Issue date Mar 26, 2013
- Ricoh Company, Limited
- Yuichi Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Belt conveying device and image forming apparatus
- Patent number 8,351,830
- Issue date Jan 8, 2013
- Ricoh Company, Limited
- Koichi Kudo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Mount assembly of optical devices
- Patent number 5,274,413
- Issue date Dec 28, 1993
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Katsuhiko Nomura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20240272568
- Publication date Aug 15, 2024
- Ricoh Company, Ltd.
- Hiroaki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PRESSING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20240176263
- Publication date May 30, 2024
- Hiroaki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE, IMAGE FORMING APPARATUS, PRESSING DEVICE, AND BELT...
- Publication number 20240168415
- Publication date May 23, 2024
- Takahiro KONISHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240118654
- Publication date Apr 11, 2024
- Nobuo KUWABARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240053695
- Publication date Feb 15, 2024
- Hiroaki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20240036499
- Publication date Feb 1, 2024
- Hiroaki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20240019803
- Publication date Jan 18, 2024
- Hiroaki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20230393495
- Publication date Dec 7, 2023
- Hiroaki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20230393496
- Publication date Dec 7, 2023
- Hiroaki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20230042229
- Publication date Feb 9, 2023
- Nagisa NAKAMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRIVE DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE DRIVE DE...
- Publication number 20220308517
- Publication date Sep 29, 2022
- RICOH COMPANY, LTD.
- Hiroaki Takagi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ROTATING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20210188578
- Publication date Jun 24, 2021
- RICOH COMPANY, LTD.
- Hiroaki TAKAGI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20200326648
- Publication date Oct 15, 2020
- RICOH COMPANY, LTD.
- Yasuhiro MAEHATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCORPORATING WRITING DEVICE
- Publication number 20200174395
- Publication date Jun 4, 2020
- RICOH COMPANY, LTD.
- Hiroaki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCORPORATING...
- Publication number 20200063851
- Publication date Feb 27, 2020
- RICOH COMPANY, LTD.
- Shogo NAKAMOTO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20200004187
- Publication date Jan 2, 2020
- RICOH COMPANY, LTD.
- Hiroaki Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCORPORATING...
- Publication number 20190286017
- Publication date Sep 19, 2019
- RICOH COMPANY, LTD.
- Shogo NAKAMOTO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCORPORATING...
- Publication number 20180074455
- Publication date Mar 15, 2018
- RICOH COMPANY, LTD.
- Hiroaki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20170357200
- Publication date Dec 14, 2017
- RICOH COMPANY, LTD.
- Hiroaki Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20170010576
- Publication date Jan 12, 2017
- RICOH COMPANY, LTD.
- Hiroaki Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ROTARY DRIVE DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160238981
- Publication date Aug 18, 2016
- RICOH COMPANY, LIMITED
- Naoyuki SUIDO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRIVING FORCE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS USING...
- Publication number 20160223977
- Publication date Aug 4, 2016
- Ricoh Company, Ltd.
- Kimiharu YAMAZAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRIVE TRANSMITTER AND IMAGE FORMING APPARATUS INCORPORATING THE DRI...
- Publication number 20160062300
- Publication date Mar 3, 2016
- RICOH COMPANY, LTD.
- Hiroaki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWER TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20150240879
- Publication date Aug 27, 2015
- RICOH COMPANY, LTD.
- Hiroaki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSMISSION DEVICE, DRIVING ASSEMBLY INCLUDING THE TRANSMISSION DE...
- Publication number 20140364277
- Publication date Dec 11, 2014
- RICOH COMPANY, LTD.
- Hiroaki TAKAGI
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
FLUORESCENCE IMMUNOASSAY USING POLYPEPTIDE COMPLEX CONTAINING FLUOR...
- Publication number 20140329228
- Publication date Nov 6, 2014
- Ushio Denki Kabushiki Kaisha
- Hiroshi Ueda
- G01 - MEASURING TESTING
Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF SUPPRESSING
- Publication number 20130071150
- Publication date Mar 21, 2013
- RICOH COMPANY, LTD.
- Hiroaki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRIVE TRANSMISSION MECHANISM AND IMAGE FORMING APPARATUS INCLUDING...
- Publication number 20120190489
- Publication date Jul 26, 2012
- RICOH COMPANY, LTD.
- Hiroaki Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ALCOHOL DRINKING STATE CHECK DEVICE
- Publication number 20110277537
- Publication date Nov 17, 2011
- TOKAI DENSHI, INC.
- Hanzo Tsuzuki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Belt driving device and image forming apparatus using the same
- Publication number 20110110691
- Publication date May 12, 2011
- Ricoh Company, Limited
- Yuichi Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroaki TAKAGI

Person

Patents Grantslast 30 patents

Rotating device and image forming apparatus

Transfer device and image forming apparatus including photoconducto...

Drive device and image forming apparatus incorporating the drive de...

Image forming apparatus incorporating writing device

Image forming apparatus

Image forming apparatus

Drive transmission device and image forming apparatus incorporating...

Image forming apparatus with reduced long period gap variation

Drive transmission device and image forming apparatus incorporating...

Drive transmitter and image forming apparatus incorporating the dri...

Drive transmission device and image forming apparatus including same

Power transmission device and image forming apparatus including same

Rotary drive device and image forming apparatus

Driving force transmission device and image forming apparatus using...

Image forming device having tripod type constant-velocity joint for...

Drive transmission mechanism and image forming apparatus including...

Transmission device, driving assembly including the transmission de...

Image forming apparatus capable of suppressing belt walk

To-be-transferred object length measurement device and image formin...

Belt driving device and image forming apparatus using the same

Belt conveying device and image forming apparatus

Mount assembly of optical devices

Patents Applicationslast 30 patents

TRANSFER DEVICE AND IMAGE FORMING APPARATUS

PRESSING DEVICE AND IMAGE FORMING APPARATUS

TRANSFER DEVICE, IMAGE FORMING APPARATUS, PRESSING DEVICE, AND BELT...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

TRANSFER DEVICE AND IMAGE FORMING APPARATUS

TRANSFER DEVICE AND IMAGE FORMING APPARATUS

TRANSFER DEVICE AND IMAGE FORMING APPARATUS

TRANSFER DEVICE AND IMAGE FORMING APPARATUS

TRANSFER DEVICE AND IMAGE FORMING APPARATUS

DRIVE DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE DRIVE DE...

ROTATING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS INCORPORATING WRITING DEVICE

DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCORPORATING...

IMAGE FORMING APPARATUS

DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCORPORATING...

DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCORPORATING...

IMAGE FORMING APPARATUS

DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

ROTARY DRIVE DEVICE AND IMAGE FORMING APPARATUS

DRIVING FORCE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS USING...

DRIVE TRANSMITTER AND IMAGE FORMING APPARATUS INCORPORATING THE DRI...

POWER TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

TRANSMISSION DEVICE, DRIVING ASSEMBLY INCLUDING THE TRANSMISSION DE...

FLUORESCENCE IMMUNOASSAY USING POLYPEPTIDE COMPLEX CONTAINING FLUOR...

IMAGE FORMING APPARATUS CAPABLE OF SUPPRESSING

DRIVE TRANSMISSION MECHANISM AND IMAGE FORMING APPARATUS INCLUDING...

ALCOHOL DRINKING STATE CHECK DEVICE

Belt driving device and image forming apparatus using the same