Inventor
Takuji Yamamoto
Inventor
Kawasaki, JP
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication7%
LOC067%
G02BOptical elements, systems or apparatus6%
H03FAmplifiers6%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses6%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
H03HImpedance networks, e.g. resonant circuits4%
H04BTransmission4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general3%
PatentTitleYear
10,921,773Temperature control method202110,553,906Nonaqueous electrolyte secondary battery porous layer2020D0838523Shelving unit2019D0825233Shelving unit2018D0824703Shelving unit20189,884,407'Shot processing machine'20189,496,248'Interposer for integrated circuit chip package'20169,346,058'Unit for grinding sample, unit for grinding and collecting sample, and process for grinding same'20168,658,037'Method for determining physiological state of microbial community and wastewater treatment method'20148,619,915'Receiver'20138,437,097'Optical filter'20138,364,055'Image forming apparatus'20138,299,948'Receiving circuit and sampling clock control method'20128,264,278'Amplifier'2012D0655948'Shelving system'2012D0616226'Television stand'20107,643,601'Timing extraction circuit for use in optical receiver that uses clock of frequency equal to one half of data transmission rate, and duty cycle deviation handling circuit for use in optical transmitter and receiver'20107,560,074'Instrument and method for breaking-up sample'20097,493,690'Method of attaching electronic components to printed circuit board and attachment structure thereof'20097,324,758'Optical dispersion monitoring apparatus and optical dispersion monitoring method, and optical transmission system using same'20087,132,561'Process for producing fluorinated dicyanobenzene'20067,119,617'Differential amplifier'20067,027,741'Phase lock loop circuit and optical repeating apparatus, optical terminal apparatus, and optical communication system having the same'20066,878,347'Exhaust gas purification system of internal combustion engine'20056,609,506'Exhaust gas recirculation system'20036,525,563'Crosspoint switch circuit and switch cell electronic circuit'20036,362,913'Optical modulation apparatus and method of controlling optical modulator'20026,278,539'Optical modulation apparatus and method of controlling'20016,064,236'Phase detector and timing extracting circuit using phase detector'20005,751,185'Low pass filter circuit utilizing transistors as inductive elements'19985,714,022'Pneumatic tire with two-layer sidewalls'19985,528,788'Processing device for sheet-like media'19965,510,745'High-speed electronic circuit having a cascode configuration'19965,506,542'Filter circuit and filter integrated circuit'19965,293,087'Filter circuit and filter integrated circuit'19945,206,986'Method of producing an electronic circuit package'19935,150,280'Electronic circuit package'19925,113,151'Equalizing and amplifying circuit in an optical signal receiving apparatus'19925,066,877'Data delay circuit and clock extraction circuit using the same'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2016Patents assigned to FUJITSU LTD (20)· patent assignee history
1991–2013Based in Kawasaki, JP· patent location history
1996–2018Based in Toyokawa, JP· patent location history
2003–2009Patents assigned to HONDA MOTOR CO LTD (3)· patent assignee history
2003–2009Based in Wako, JP· patent location history
2009–2016Patents assigned to NIPPI INC (2)· patent assignee history
2010–2019Patents assigned to ATLANTIC REPRESENTATIONS INC (5)· patent assignee history
2010–2012Based in Santa Fe Springs, CA, US· patent location history
2012–2018Patents assigned to YAMAMOTO TAKUJI (9)· patent assignee history
2018–2019Based in Gardena, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 20 | 1991–2016 |
| YAMAMOTO TAKUJIself | 9 | 2012–2018 |
| ATLANTIC REPRESENTATIONS INC | 5 | 2010–2019 |
| HONDA MOTOR CO LTD | 3 | 2003–2009 |
| NIPPI INC | 2 | 2009–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 18 | 1991–2013 |
| Gardena, California, US | 3 | 2018–2019 |
| Toyokawa, JP | 3 | 1996–2018 |
| Wako, JP | 3 | 2003–2009 |
| Santa Fe Springs, California, US | 2 | 2010–2012 |