Inventor
Yutaka Doi
Inventor
Minnetonka, MN, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables27%
B61BRailway systems7%
E01BPermanent way7%
E04BGeneral building constructions7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G02BOptical elements, systems or apparatus7%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
H03FAmplifiers7%
H05KPrinted circuits7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
PatentTitleYear
10,998,860Amplification apparatus and amplification method202110,156,044Intersecting track and switching device20186,727,711'Fixture-less bare board tester'20046,590,398'Fixture-less bare board tester'20036,559,656'Permittivity measurement of thin films'20036,539,157'Layered circuit boards and methods of production thereof'20036,510,392'In-situ test for embedded passives'20035,896,708'Movable support for a retractable roof'19995,281,495'Alkaline storage cell having a negative electrode comprising a cadmium active material'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to SANYO ELECTRIC CO (1)· patent assignee history
1994Based in Sumoto, JP· patent location history
1999Patents assigned to MITSUBISHI HEAVY IND LTD (1)· patent assignee history
1999Based in Hyogo, JP· patent location history
2003–2004Patents assigned to HONEYWELL ADVANCED CIRCUITS IN (5)· patent assignee history
2003–2004Based in Minnetonka, MN, US· patent location history
2018Patents assigned to MITSUBISHI HEAVY IND ENG LTD (1)· patent assignee history
2018–2021Based in Tokyo, JP· patent location history
2021Patents assigned to NEC CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONEYWELL ADVANCED CIRCUITS IN | 5 | 2003–2004 |
| MITSUBISHI HEAVY IND ENG LTD | 1 | 2018 |
| MITSUBISHI HEAVY IND LTD | 1 | 1999 |
| NEC CORP | 1 | 2021 |
| SANYO ELECTRIC CO | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minnetonka, Minnesota, US | 5 | 2003–2004 |
| Tokyo, JP | 2 | 2018–2021 |
| Hyogo, JP | 1 | 1999 |
| Sumoto, JP | 1 | 1994 |