Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6607682 | Pre-expanded polypropylene resin beads and process for producing molded object therefrom by in-mold foaming | Takema Yamaguchi, Tomonori Iwamoto, Kenichi Senda | 2003-08-19 |
| 6355696 | Polypropylene resin pre-expanded particles | Takema Yamaguchi, Kenichi Senda | 2002-03-12 |
| 6167892 | Method for washing prefoamed particles | Tomonori Iwamoto, Takema Yamaguchi | 2001-01-02 |
| 5942551 | Non-crosslinked linear low density polyethylene preexpanded particles and manufacturing method therefor | Tadayuki Ichimura | 1999-08-24 |
| 5128736 | Light sensitive semiconductor device | Eiichi Yoshida, Tomoyoshi Zenki, Satoru Murakami, Takehisa Nakayama, Yoshihisa Tawada | 1992-07-07 |
| 5126815 | Position sensor and picture image input device | Satoru Murakami, Akimine Hayashi, Masataka Konda, Yoshihisa Tawada | 1992-06-30 |
| 5115123 | Contact type photoelectric transducer | Katsuhiko Hayashi, Takehisa Nakayama | 1992-05-19 |
| 5066861 | X ray detecting device | Takehisa Nakayama, Akimine Hayashi, Masataka Kondo, Satoru Murakami, Yoshihisa Tawada +1 more | 1991-11-19 |
| 5039852 | Semiconductor image sensor | Masataka Kondo, Yoshihisa Tawada | 1991-08-13 |
| 5032884 | Semiconductor pin device with interlayer or dopant gradient | Hideo Yamagishi, Masataka Kondo, Kunio Nishimura, Akihiko Hiroe, Keizou Asaoka +2 more | 1991-07-16 |
| 5025297 | Semiconductor light beam position sensor element and a position sensor and a picture image input device each using the same | Satoru Murakami, Akimine Hayashi, Masataka Kondo, Yoshihisa Tawada | 1991-06-18 |
| 5015838 | Color sensor having laminated semiconductor layers | Hideo Yamagishi, Akihiko Hiroe, Hitoshi Nishio, Satoru Murakami, Keiko Miki +2 more | 1991-05-14 |
| 4937550 | Strain sensor | Yoshihisa Tawada, Yoichi Hosokawa, Tomoyoshi Zenki | 1990-06-26 |
| 4926230 | Multiple junction solar power generation cells | Hideo Yamagishi, Keizo Asaoka, Akihiko Hiroe, Masataka Kondo, Kazunori Tsuge +1 more | 1990-05-15 |
| 4907052 | Semiconductor tandem solar cells with metal silicide barrier | Jun Takada, Yoshihisa Tawada | 1990-03-06 |
| 4892594 | Photovoltaic element | Ryoji Fujiwara, Isamu Shimizu | 1990-01-09 |
| 4839240 | Multilayer photoconductive material | Isamu Shimizu | 1989-06-13 |
| 4765845 | Heat-resistant thin film photoelectric converter | Jun Takada, Yoshihisa Tawada | 1988-08-23 |
| 4754254 | Temperature detector | Yoichi Hosokawa, Yoshihisa Tawada | 1988-06-28 |
| 4665278 | Heat-resistant photoelectric converter | Jun Takada, Yoshihisa Tawada | 1987-05-12 |
| 4569891 | Photoconductive material | Isamu Shimizu | 1986-02-11 |