Inventor
Masashi Hirabayashi
Inventor
Yokohama, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus31%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein31%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests31%
B62MRider propulsion of wheeled vehicles or sledges8%
PatentTitleYear
7,726,864'Light-guiding plate, lighting device and display device'20107,478,937'Light-guiding plate, lighting device and display device'20097,356,239'Light-guiding plate, lighting device and display device'20086,974,241'Light-guiding plate, lighting device and display device'20056,012,538'Driving unit for an electric motor driven bicycle'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Patents assigned to MITSUBISHI HEAVY IND LTD (1)· patent assignee history
2000Based in Nagoya, JP· patent location history
2005–2010Patents assigned to FUJITSU LTD (4)· patent assignee history
2005–2010Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 4 | 2005–2010 |
| MITSUBISHI HEAVY IND LTD | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 4 | 2005–2010 |
| Nagoya, JP | 1 | 2000 |