Inventor
Tadahisa Yamaguchi
Inventor
Tokyo, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information31%
C07DHeterocyclic compounds15%
H01LSemiconductor devices15%
H10KOrganic electric solid-state devices15%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution15%
H04NPictorial communication, e.g. television8%
PatentTitleYear
10,978,644Organic compound and organic photoelectric conversion element including the same202110,947,212Photoelectric conversion element, two-dimensional sensor, image sensor, and image pickup device20216,222,516'Active matrix liquid crystal display and method of driving the same'20016,222,515'Apparatus for controlling data voltage of liquid crystal display unit to achieve multiple gray-scale'20015,841,410'Active matrix liquid crystal display and method of driving the same'19985,196,738'Data driver circuit of liquid crystal display for achieving digital gray-scale'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2001Patents assigned to FUJITSU LTD (4)· patent assignee history
1993Based in Atsugi, JP· patent location history
1998–2001Based in Tenri, JP· patent location history
2001Based in Kawasaki, JP· patent location history
2021Patents assigned to CANON KK (2)· patent assignee history
2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 4 | 1993–2001 |
| CANON KK | 2 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 2 | 2021 |
| Tenri, JP | 2 | 1998–2001 |
| Kawasaki, JP | 1 | 2001 |
| Atsugi, JP | 1 | 1993 |