Inventor
Hirokazu Shiga
Inventor
Ibaraki, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus50%
G01CMeasuring distances, levels or bearings25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
5,357,339'Multi-axis fiber-optic gyroscope assembly in which each gyroscope comprises 1/3 of a specific shape'19945,142,763'Method for connecting optical fibers sealed in metal pipes'19925,076,657'Connection structure of optical fibers sealed in metal pipes and method for connecting optical fibers sealed in metal pipes'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1994Patents assigned to HITACHI CABLE (3)· patent assignee history
1991–1992Patents assigned to NIPPON KOKAN KK (2)· patent assignee history
1991–1992Based in Ibaraki, JP· patent location history
1994Based in Hitachi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI CABLE | 3 | 1991–1994 |
| NIPPON KOKAN KK | 2 | 1991–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 2 | 1991–1992 |
| Hitachi, JP | 1 | 1994 |