Inventor
Shigeyoshi Umezawa
Inventor
Fukui, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches29%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles14%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general14%
E05BLocks14%
G05GControl devices or systems insofar as characterised by mechanical features only14%
H05BElectric heating14%
PatentTitleYear
6,951,404'Illumination knob and method of manufacturing knob'20056,621,224'Light-controlling device used for vehicle'20036,580,039'Multidirectional switch and operation unit using the same'20036,359,243'Multi-directional operating switch and electronic device using the same'20026,329,755'Light adjustment device for a vehicle'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2005Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (5)· patent assignee history
2001Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
2001Based in Tsuruga, JP· patent location history
2002–2005Based in Fukui, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 5 | 2001–2005 |
| TOYOTA MOTOR CO LTD | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fukui, JP | 4 | 2002–2005 |
| Tsuruga, JP | 1 | 2001 |