Inventor
Yoshihiko Yamazaki
Inventor
Nagano, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus50%
B29CShaping or joining of plastics42%
B29BPreparation or pretreatment of the material to be shaped8%
PatentTitleYear
7,648,358'Plastic pellet forming apparatus'20104,851,170'Injection control method of injection molding machine'19894,851,171'Method and apparatus for controlling back pressure in injection molding machine'19894,758,391'Method for controlling back pressure in electrically-operated injection apparatus'19884,653,846'Optical fiber hermetic fixing structure of feedthrough for optical submarine repeater'19874,540,359'Injection molding machine'19854,505,540'Spliced portion housing structure for optical fiber in optical submerged repeater'19854,469,401'Optical fiber unit for optical submarine cables'19844,422,718'Submarine optical fiber cable'19834,389,086'Feedthrough terminal comprising a guide member defined for at least one optical fiber cable between a tube and a rod'19834,345,816'Optical fiber introducing equipment for optical submerged repeater'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1987Patents assigned to KOKUSAI DENSHIN DENWA CO LTD (6)· patent assignee history
1982–1983Based in Kashiwa, JP· patent location history
1983Patents assigned to NIPPON ELECTRIC CO (1)· patent assignee history
1984–1987Based in Yokohama, JP· patent location history
1985–1989Patents assigned to NISSEI PLASTICS IND CO (4)· patent assignee history
1985–1989Based in Nagano, JP· patent location history
1988Based in Sakaki-machi, JP· patent location history
2010Patents assigned to HOLON SEIKO CO LTD (1)· patent assignee history
2010Based in Chikuma, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOKUSAI DENSHIN DENWA CO LTD | 6 | 1982–1987 |
| NISSEI PLASTICS IND CO | 4 | 1985–1989 |
| HOLON SEIKO CO LTD | 1 | 2010 |
| NIPPON ELECTRIC CO | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagano, JP | 3 | 1985–1989 |
| Yokohama, JP | 3 | 1984–1987 |
| Kashiwa, JP | 2 | 1982–1983 |
| Chikuma, JP | 1 | 2010 |
| Sakaki-machi, JP | 1 | 1988 |