LexDanaLexDanabeta
Inventor

Kotaro Watanabe

Inventor
Chiba, JP

Overview

51→
Patents
1992–2020
Patent span
Physics
Primary field (CPC G)

Patents· 51 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines9%
G11CStatic stores6%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
G04GElectronic time-pieces5%
G05FSystems for regulating electric or magnetic variables5%
B41CProcesses for the manufacture or reproduction of printing surfaces4%
G04CElectromechanical clocks or watches4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
H03KPulse technique4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
10,837,326Valve timing control device for internal combustion engine202010,819,335Reference voltage circuit and power-on reset circuit202010,680,514Power supply circuit202010,651,831Oscillation circuit202010,547,216Power receiving apparatus, power feeding system, power feeding method, power source management method, computer readable recording medium storing power feeding program, and computer readable recording medium storing power source management program202010,454,376Power supply circuit201910,337,358Valve timing control apparatus for internal combustion engine201910,203,664Electronic timepiece201910,082,055Valve timing control device for internal combustion engine20189,995,185Valve timing control device for internal combustion engine20189,951,660Valve timing control device for internal combustion engine, and fastening structure20189,933,494Voltage detection circuit20189,722,538'Constant voltage circuit and oscillation device'20179,704,771'Flip-chip mounted semiconductor device'20179,638,109'Valve timing control system for internal combustion engine and lock release mechanism of valve timing control apparatus for internal combustion engine'20179,634,608'Crystal oscillation circuit and electronic timepiece'20179,509,386'Radio and antenna selection method for radio'20169,437,258'Data readout circuit of a storage device for read-out operation for preventing erroneous writing into a data storage element and reading out of the data correctly'20169,424,943'Data reading device and semiconductor device'20169,343,915'Semiconductor device including charging system'20169,310,775'Analog electronic timepiece'20169,291,076'Valve timing control apparatus for internal combustion engine'20169,235,196'Constant voltage circuit and analog electronic clock'20169,111,644'Readout circuit and semiconductor device'20159,106,215'Oscillation stop detection circuit and electronic device'20159,071,185'Constant voltage circuit and analog electronic clock'20159,030,892'Data reading device'20158,988,840'Overcharge prevention circuit and semiconductor device'20158,982,656'Non-volatile semiconductor memory device and semiconductor device'20158,885,444'Analog electronic watch'20148,766,737'Oscillation device'20148,677,965'Valve timing control device of internal combustion engine'20148,309,629'Ink composition, inkjet recording method, printed material, method for producing planographic printing plate, and planographic printing plate'20128,179,729'Memory circuit and voltage detection circuit including the same'20128,124,194'Ink composition comprising a compound with a sulfide bond and an ink jet recording method'20127,992,988'Ink composition, inkjet recording method, printed material, method of producing planographic printing plate, and planographic printing plate'20117,948,284'Power-on reset circuit'20117,877,979'Integrated gasification combined cycle plant, method of controlling the plant, and method of producing fuel gas'20117,842,351'Ink composition, inkjet recording method, printed material, method of producing planographic printing plate, and planographic printing plate'20107,832,191'Integrated gasification combined cycle and the control method'20107,816,422'Curable composition, ink composition, inkjet recording method, printed material, method of producing planographic printing plate, and planographic printing plate'20107,728,050'Curable composition, ink composition, inkjet recording method, printed matter, method for producing planographic printing plate, planographic printing plate and oxetane compound'20107,683,104'Curable composition, ink composition, inkjet-recording method, and planographic printing plate'20107,225,774'Valve timing control apparatus for internal combustion engine'20077,159,549'Variable valve system of internal combustion engine'20077,074,544'Image recording material'20066,450,139'Valve timing control system for internal combustion engine'20026,193,225'Non-linear non-circular coiled spring'20015,680,317'CAD device for metal mold'19975,297,022'CAD/CAM unit data generating apparatus and process'19945,115,400'CAD/CAM apparatus'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2011Based in Shizuoka, JP· patent location history
2007–2012Based in Kanagawa, JP· patent location history
2010–2012Patents assigned to FUJIFILM CORP (7)· patent assignee history
2010–2020Based in Tokyo, JP· patent location history
2011–2019Patents assigned to SEIKO INSTR INC (19)· patent assignee history
2011–2020Based in Chiba, JP· patent location history
2012–2016Patents assigned to WATANABE KOTARO (7)· patent assignee history
2014–2020Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (8)· patent assignee history
2014–2020Based in Atsugi, JP· patent location history
2016–2018Patents assigned to SII SEMICONDUCTOR CORP (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO INSTR INC192011–2019
HITACHI AUTOMOTIVE SYSTEMS LTD82014–2020
SII SEMICONDUCTOR CORP82016–2018
FUJIFILM CORP72010–2012
WATANABE KOTAROself72012–2016
Locations
LocationPatentsSpan
Chiba, JP242011–2020
Atsugi, JP82014–2020
Shizuoka, JP52006–2011
Tokyo, JP42010–2020
Kanagawa, JP32007–2012