Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791935 | Optical head, and optical recording and reproducing apparatus | Hiroshi Hatano, Kazuyuki Ogura, Akira Sato | 2004-09-14 |
| 6792021 | Near field light generating device | — | 2004-09-14 |
| 6486477 | Radiographic intensifying screen set | Masaaki Nakamura, Michio Tanaka, Katsutoshi Yamane, Kenji Takahashi | 2002-11-26 |
| 6232611 | Radiographic intensifying screen | Yuji Aoki, Akio Umemoto, Masamichi Itabashi | 2001-05-15 |
| 5477053 | Radiographic intensifying screen and process for preparing the same | Akio Umemoto, Tutomu Watanabe, Michio Tanaka, Nobuaki Koike | 1995-12-19 |
| 5268125 | Process for producing calcium tungstate phosphor | Hideo Suzuki, Etsuo Shimizu, Kitaro Shigeta, Takashi Johnokuchi | 1993-12-07 |
| 4595639 | Radiographic intensifying screen | Etsuo Shimizu, Yuji Aoki, Norio Miura | 1986-06-17 |
| 4536436 | Radiographic image conversion screens | Hidehiko Maeoka, Etsuo Shimizu, Keiji Shimiya, Norio Miura | 1985-08-20 |
| 4529647 | Radiographic image conversion screens | Hidehiko Maeoka, Etsuo Shimizu, Keiji Shimiya, Norio Miura | 1985-07-16 |
| 4507563 | Radiographic image conversion screens | Hidehiko Maeoka, Etsuo Shimizu, Keiji Shimiya, Norio Miura | 1985-03-26 |
| 4486486 | Radiographic image conversion screens | Hidehiko Maeoka, Etsuo Shimizu, Keiji Shimiya, Norio Miura | 1984-12-04 |
| 4362944 | Radiographic intensifying screen | Norio Mirua, Keiji Shimiya | 1982-12-07 |
| 4205234 | Intensifying screens | Keiji Shimiya, Takashi Miyagawa | 1980-05-27 |