Inventor
Kishio Sugawara
Inventor
Hamura, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Bprimary
C03BManufacture, shaping, or supplementary processes57%
Y02PClimate change mitigation technologies in the production or processing of goods33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
7,013,676'Press molding apparatus'20066,813,906'Method and apparatus for preparation of molded glass'20046,370,915'Method for supplying glass molding material to molds, and method for manufacturing glass optical elements'20026,141,991'Press molding apparatus for glass optical elements and molding method for glass optical elements'20006,070,436'Manufacturing method for molded glass articles'20005,987,922'Manufacturing method for molded glass articles'19995,114,455'Mold for producing lens, using mold recesses to aid in lens release'19924,915,720'Method of and apparatus for molding glass articles'19904,836,838'Apparatus for molding glass articles'19894,836,840'Press-molding device for lenses'19894,778,505'Method of molding glass body'19884,738,703'Method of molding optical lenses'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2006Patents assigned to HOYA CORP (11)· patent assignee history
1988Patents assigned to HIROTA SHINICHIRO (1)· patent assignee history
1988Patents assigned to IZUMITANI TETSURO (1)· patent assignee history
1988Patents assigned to MEISSNER HELMUTH E (1)· patent assignee history
1988Patents assigned to SUGAWARA KISHIO (1)· patent assignee history
1988–2002Based in Tokyo, JP· patent location history
1988Based in Nishitama-gun, JP· patent location history
1989–2006Based in Hamura, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOYA CORP | 11 | 1988–2006 |
| HIROTA SHINICHIRO | 1 | 1988 |
| IZUMITANI TETSURO | 1 | 1988 |
| MEISSNER HELMUTH E | 1 | 1988 |
| SUGAWARA KISHIOself | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamura, JP | 6 | 1989–2006 |
| Tokyo, JP | 5 | 1988–2002 |
| Nishitama-gun, JP | 1 | 1988 |