Inventor
Takao Sugiyama
Inventor
Shizuoka, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating33%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general25%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications17%
A01FProcessing of harvested produce8%
F21SNon-portable lighting devices8%
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 systems8%
PatentTitleYear
10,173,580Lighting circuit and vehicle lamp20199,992,835Lighting circuit20188,985,823'Vehicle lamp having an LED and a drip-preventive cover'20158,476,838'Light source lighting circuit and lamp system for vehicle'20138,330,375'Vehicle lamp lighting control device'20124,541,441'Combine harvester'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Patents assigned to INST OF AGRICULTURAL MACHINERY (1)· patent assignee history
1985Based in Hasuda, JP· patent location history
2012–2019Patents assigned to KOITO MFG CO LTD (5)· patent assignee history
2012–2015Patents assigned to SUGIYAMA TAKAO (3)· patent assignee history
2012–2013Patents assigned to MATSUI KOTARO (2)· patent assignee history
2012–2019Based in Shizuoka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOITO MFG CO LTD | 5 | 2012–2019 |
| SUGIYAMA TAKAOself | 3 | 2012–2015 |
| MATSUI KOTARO | 2 | 2012–2013 |
| INST OF AGRICULTURAL MACHINERY | 1 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shizuoka, JP | 5 | 2012–2019 |
| Hasuda, JP | 1 | 1985 |