Inventor
Shuuji Yamaguchi
Inventor
Tokyo, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication28%
H04NPictorial communication, e.g. television22%
H05BElectric heating17%
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 systems11%
H10NElectric solid-state devices not otherwise provided for11%
B62DMotor vehicles6%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%
PatentTitleYear
8,922,696'Portable terminal with rotatable axial flip unit and dual lens arrangement'20148,068,161'Portable terminal with rotatable axial flip unit and dual lens arrangement'20117,492,407'Portable terminal with rotatable axial flip unit and dual lens arrangement'20097,084,919'Portable terminal with rotatable axial flip unit and dual lens arrangement'20067,085,382'Communication device, communication device set, authentication method and method of wireless-connecting terminals'20066,268,681'Method and circuit for driving piezoelectric transformer'20016,151,232'Power supply circuit utilizing a piezoelectric transformer that supplies power to a load whose impedance varies depending on temperature'20006,078,124'Piezoelectric transformer driving circuit and driving method'20006,075,325'Inverter and method for driving a plurality of cold cathode tubes in parallel'20004,702,515'Side member of motor vehicle'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
1987Based in Susono, JP· patent location history
2000–2011Patents assigned to NEC CORP (8)· patent assignee history
2000–2014Based in Tokyo, JP· patent location history
2011–2014Patents assigned to SHIBATA JUNICHIRO (2)· patent assignee history
2011–2014Patents assigned to YAMAGUCHI SHUUJI (2)· patent assignee history
2014Patents assigned to LENOVO INNOVATIONS LTD HONG KONG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 8 | 2000–2011 |
| SHIBATA JUNICHIRO | 2 | 2011–2014 |
| YAMAGUCHI SHUUJIself | 2 | 2011–2014 |
| LENOVO INNOVATIONS LTD HONG KONG | 1 | 2014 |
| TOYOTA MOTOR CO LTD | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 9 | 2000–2014 |
| Susono, JP | 1 | 1987 |