Inventor
Kunio Otsuka
Inventor
Tokyo, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for18%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles9%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles9%
B62DMotor vehicles9%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general9%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof9%
F16FSprings9%
F16HGearing9%
F16LPipes9%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
PatentTitleYear
6,619,328'Tubular member construction'20036,384,415'Method of evaluating quality of silicon wafer and method of reclaiming the water'20026,123,616'Shock energy absorbing air duct and duct'20006,092,555'Absorbing body and a combination of an absorbing body and vehicle body parts'20005,059,162'Planetary gear system'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991Patents assigned to NISSAN MOTOR (1)· patent assignee history
1991Based in Ebina, JP· patent location history
2000–2003Patents assigned to OTSUKA & CO LTD (3)· patent assignee history
2000–2003Based in Tokyo, JP· patent location history
2002Patents assigned to KOBE PREC INC (1)· patent assignee history
2002Patents assigned to KOBE STEEL LTD (1)· patent assignee history
2002Based in Hayward, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OTSUKA & CO LTD | 3 | 2000–2003 |
| KOBE PREC INC | 1 | 2002 |
| KOBE STEEL LTD | 1 | 2002 |
| NISSAN MOTOR | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 2000–2003 |
| Hayward, California, US | 1 | 2002 |
| Ebina, JP | 1 | 1991 |