Inventor
Yasumasa Koakutsu
Inventor
Fujisawa, 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 apparatus100%
PatentTitleYear
5,052,768'Device for retaining wire-like optical wave-guide'19914,756,593'Connector comprising a plug having a built-in optoelectronic conversion means and a socket'19884,741,595'Optical transmission device'19884,720,630'Active optical connector including an electronic circuit board and an optical fiber'19884,715,673'Optical switch'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1991Patents assigned to HITACHI LTD (5)· patent assignee history
1987–1991Based in Fujisawa, JP· patent location history
1988Patents assigned to MITSUMI ELECTRIC CO LTD (1)· patent assignee history
1991Patents assigned to SHINKO GIKEN KK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1987–1991 |
| MITSUMI ELECTRIC CO LTD | 1 | 1988 |
| SHINKO GIKEN KK | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fujisawa, JP | 5 | 1987–1991 |