Inventor
Kouichi Oka
Inventor
Wako, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B63Hprimary
B63HMarine propulsion or steering19%
F02BInternal-combustion piston engines15%
G11BInformation storage based on relative movement between record carrier and transducer12%
Y10TTechnical subjects covered by former us classification12%
F01MLubricating of machines or engines in general8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B22FWorking metallic powder4%
F02DControlling combustion engines4%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
PatentTitleYear
6,879,395'Spectrum measuring instrument'20056,824,434'Outboard motor'20046,729,919'Steering handle device for outboard engine system'20046,628,257'Display device and casing for containing the display device'20036,491,555'Throttle grip position maintaining device in outboard engine system'20026,265,986'Display system'20016,132,272'Marine propulsion system'20006,066,013'Drain structure of an outboard motor'20006,003,501'Four-cycle engine for outboard motor'19995,673,675'Vertical-type multicylinder engine having a blow-by gas returning structure'19974,968,564'Magnetic recording medium'19904,946,501'Alloy target for magneto-optical recording'19904,863,511'Method of forming a rare earth-cobalt type magnetic powder for resinous magnet'19894,769,282'Magnetic recording medium'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1990Patents assigned to SUMITOMO METAL MINING CO (3)· patent assignee history
1988–1990Based in Ichikawa, JP· patent location history
1989Patents assigned to ISHII JUNICHI (1)· patent assignee history
1989Patents assigned to OKA KOUICHI (1)· patent assignee history
1997–2004Patents assigned to HONDA MOTOR CO LTD (7)· patent assignee history
1997–2000Based in Wako, JP· patent location history
2001–2003Patents assigned to FUJI XEROX CO LTD (2)· patent assignee history
2001–2003Based in Ebina, JP· patent location history
2002–2004Based in Saitama, JP· patent location history
2005Based in Otsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONDA MOTOR CO LTD | 7 | 1997–2004 |
| SUMITOMO METAL MINING CO | 3 | 1988–1990 |
| FUJI XEROX CO LTD | 2 | 2001–2003 |
| ISHII JUNICHI | 1 | 1989 |
| OKA KOUICHIself | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wako, JP | 4 | 1997–2000 |
| Saitama, JP | 3 | 2002–2004 |
| Ichikawa, JP | 3 | 1988–1990 |
| Ebina, JP | 2 | 2001–2003 |
| Otsu, JP | 1 | 2005 |