Inventor
Michio Oba
Inventor
Tokyo, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus100%
PatentTitleYear
5,970,191'Optical signal distributors'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Patents assigned to FUJI ELECTRIC CO INC (1)· patent assignee history
1999Patents assigned to MITSUBISHI GAS CHEMICAL CO (1)· patent assignee history
1999Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI ELECTRIC CO INC | 1 | 1999 |
| MITSUBISHI GAS CHEMICAL CO | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 1 | 1999 |