Inventor
Toshiaki Kuroha
Inventor
Yokohama, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus60%
C03BManufacture, shaping, or supplementary processes20%
C03CChemical composition of glasses, glazes or vitreous enamels20%
PatentTitleYear
6,715,932'Eccentric optical fiber connector ferrule and method of manufacturing the same'20045,774,615'Optical fiber with a metal layer to maintain the desired shape of the optical fiber'19984,552,576'Method of fabricating optical glass base material and apparatus for fabricating the same'19854,306,767'Single-mode optical fiber'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1985Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
1981–2004Based in Yokohama, JP· patent location history
1985Patents assigned to FURUKAWA ELECTRIC CO LTD (1)· patent assignee history
1985Based in Ichihara, JP· patent location history
1998Patents assigned to TOPCON CORP (1)· patent assignee history
1998Based in Osaka, JP· patent location history
2004Patents assigned to SEIKO GIKEN KK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 2 | 1981–1985 |
| FURUKAWA ELECTRIC CO LTD | 1 | 1985 |
| SEIKO GIKEN KK | 1 | 2004 |
| TOPCON CORP | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 2 | 1981–2004 |
| Osaka, JP | 1 | 1998 |
| Ichihara, JP | 1 | 1985 |