Inventor
Masashige Yamanaka
Inventor
Kuwana, JP
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds50%
G02BOptical elements, systems or apparatus50%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1989Patents assigned to TOYO CONTACT LENS CO LTD (2)· patent assignee history
1985Based in Nagoya, JP· patent location history
1989Based in Kuwana, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYO CONTACT LENS CO LTD | 2 | 1985–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kuwana, JP | 1 | 1989 |
| Nagoya, JP | 1 | 1985 |