Inventor
Shintaro Sentsui
Inventor
Chiba, 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 apparatus43%
H04BTransmission29%
G01MTesting static or dynamic balance of machines or structures14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%
PatentTitleYear
5,379,357'Method and apparatus for polarized optical telecommunications using ultrasonic modulation means'19955,331,392'Method of identifying an optical cable'19945,202,746'Method and apparatus for identifying an optical transmission medium'19935,170,449'Converting device using an optical fiber'19924,306,767'Single-mode optical fiber'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history
1981Based in Ciba, JP· patent location history
1992–1995Patents assigned to FURUKAWA ELECTRIC CO LTD (4)· patent assignee history
1992Based in Ichihara, JP· patent location history
1993–1995Patents assigned to TOKYO ELECTRIC POWER CO (2)· patent assignee history
1993–1995Based in Chiba, JP· patent location history
1994Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FURUKAWA ELECTRIC CO LTD | 4 | 1992–1995 |
| TOKYO ELECTRIC POWER CO | 2 | 1993–1995 |
| NIPPON TELEGRAPH & TELEPHONE | 1 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 2 | 1993–1995 |
| Tokyo, JP | 1 | 1994 |
| Ichihara, JP | 1 | 1992 |
| Ciba, JP | 1 | 1981 |