Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5835472 | Optical pickup device with substantially mutually orthogonal reflection surfaces | Noriyoshi Horie, Hayami Hosokawa, Masami Tada, Tsukasa Yamashita | 1998-11-10 |
| 5615181 | Optical read/write head with low angle beam splitter and coplanar detectors | Hayami Hosokawa, Kouhei Tomita, Hironobu Kiyomoto, Naru Yasuda, Shinya Otsuki | 1997-03-25 |
| 5511142 | Rib optical waveguide and method of manufacturing the same | Noriyoshi Horie, Hayami Hosokawa, Masami Tada, Tsukasa Yamashita, Hironobu Kiyomoto | 1996-04-23 |
| 5444677 | Optical read/write head low angle beamsplitter and coplanar detectors | Hayami Hosokawa, Kouhei Tomita, Hironobu Kiyomoto, Naru Yasuda, Shinya Otsuki | 1995-08-22 |
| 5138687 | Rib optical waveguide and method of manufacturing the same | Noriyoshi Horie, Hayami Hosokawa, Masami Tada, Tsukasa Yamashita, Hironobu Kiyomoto | 1992-08-11 |
| 5122903 | Optical device and optical pickup device using the same | Shigeru Aoyama, Tukasa Yamashita | 1992-06-16 |