Inventor
Hiroshi Katayanagi
Inventor
Chiba, JP
Overview
Patents· 12 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 information50%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein36%
H03MCoding9%
H10DInorganic electric semiconductor devices5%
PatentTitleYear
8,922,468'Liquid crystal display device with influences of offset voltages reduced'20148,633,882'Liquid crystal display device with influences of offset voltages reduced'20148,159,437'Liquid crystal display device with influences of offset voltages reduced'20127,990,355'Liquid crystal display device with influences of offset voltages reduced'20117,964,870'Display device'20117,830,347'Liquid crystal display device with influences of offset voltages reduced'20107,417,614'Liquid crystal display device with influences of offset voltages reduced'20086,924,782'Liquid crystal display device'20056,731,263'Liquid crystal display device with influences of offset voltages reduced'20046,518,946'Liquid crystal display device'20036,388,653'Liquid crystal display device with influences of offset voltages reduced'20026,232,941'Liquid crystal display device'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2011Patents assigned to HITACHI DEVICE ENG (8)· patent assignee history
2001–2011Patents assigned to HITACHI LTD (7)· patent assignee history
2001–2014Based in Chiba, JP· patent location history
2002–2012Patents assigned to HITACHI ULSI SYS CO LTD (6)· patent assignee history
2011–2014Patents assigned to PANASONIC LIQUID CRYSTAL DISPL (3)· patent assignee history
2012–2014Patents assigned to GOTO MITSURU (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI DEVICE ENG | 8 | 2001–2011 |
| HITACHI LTD | 7 | 2001–2011 |
| HITACHI ULSI SYS CO LTD | 6 | 2002–2012 |
| PANASONIC LIQUID CRYSTAL DISPL | 3 | 2011–2014 |
| GOTO MITSURU | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 12 | 2001–2014 |