Inventor

Kiyoshi Yoshikawa

Inventor

Chiba, JP

Overview

1987–2020

Patent span

Physics

Primary field (CPC G)

Patents· 37 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing10%

H02JElectric power networks6%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%

G06KGraphical data reading5%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%

G06TImage data processing or generation, in general5%

G02BOptical elements, systems or apparatus5%

G05BControl or regulating systems in general5%

G09GArrangements or circuits for control of indicating devices using static means to present variable information5%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%

PatentTitleYear

10,748,162Information processing device, information processing system, and information processing method2020 10,607,427Information processing device, information processing method, and program for recognizing a user2020 10,572,003Information processing device and information processing method2020 10,540,002Information processing device and information processing method2020 10,359,837Information processing device and information processing method2019 10,332,519Information processing apparatus, information processing method, and program2019 10,019,764Work management system and work management method2018 9,959,578Work management system and work management method2018 9,953,376Work management system and work management method2018 9,953,374Work management system and work management method2018 9,953,375Work management system and work management method2018 9,679,129'Information processing device and information processing method'2017 9,632,528'Information processing apparatus, information processing method, and recording medium'2017 9,099,874'Battery state monitoring circuit and battery device'2015 8,901,966'Sensor circuit'2014 8,872,490'Voltage regulator'2014 8,471,530'Battery state monitoring circuit and battery device'2013 8,405,359'Battery protection IC and battery device'2013 8,217,708'Temperature sensor'2012 8,058,845'Battery state monitoring circuit and battery apparatus'2011 7,990,130'Band gap reference voltage circuit'2011 7,990,669'Battery protection circuit and battery device'2011 7,923,968'Charge and discharge control circuit and rechargeable power supply device'2011 7,800,433'Power supply switching circuit'2010 7,446,602'Switched capacitor amplifier circuit and method for operating a switched capacitor amplifier circuit'2008 6,466,076'Variable delay circuit having a ramp voltage generating unit'2002 6,313,681'Variable delay circuit'2001 5,866,198'Method of fabricating a compound semiconductor having a plurality of layers using a flow compensation technique'1999 5,455,081'Process for coating diamond-like carbon film and coated thin strip'1995 5,395,446'Semiconductor treatment apparatus'1995 5,344,492'Vapor growth apparatus for semiconductor devices'1994 5,273,553'Apparatus for bonding semiconductor substrates'1993 5,176,783'Semiconductor substrate etching apparatus'1993 5,129,827'Method for bonding semiconductor substrates'1992 4,968,375'Etching apparatus'1990 4,752,180'Method and apparatus for handling semiconductor wafers'1988 4,703,222'Hall accelerator with preionization discharge'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2018Based in Kyoto, JP· patent location history

1988–1999Patents assigned to TOSHIBA KK (8)· patent assignee history

1988–1999Based in Kawasaki, JP· patent location history

1995–2015Patents assigned to YOSHIKAWA KIYOSHI (6)· patent assignee history

2001–2002Based in Tokyo, JP· patent location history

2008–2015Patents assigned to SEIKO INSTR INC (12)· patent assignee history

2008–2015Based in Chiba, JP· patent location history

2017–2020Patents assigned to SONY CORP (7)· patent assignee history

2017–2020Based in Saitama, JP· patent location history

2018Patents assigned to OMRON TATEISI ELECTRONICS CO (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEIKO INSTR INC	12	2008–2015
TOSHIBA KK	8	1988–1999
SONY CORP	7	2017–2020
YOSHIKAWA KIYOSHIself	6	1995–2015
OMRON TATEISI ELECTRONICS CO	5	2018

Locations

Location	Patents	Span
Chiba, JP	12	2008–2015
Saitama, JP	8	2017–2020
Kawasaki, JP	8	1988–1999
Kyoto, JP	6	1987–2018
Tokyo, JP	2	2001–2002