Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719981 | Opto-electric device | Ikuo Katoh | 1998-02-17 |
| 5418765 | Apparatus for recording and reproducing optical information having an optical waveguide | Shigeyoshi Misawa, Masahiko Nakayama | 1995-05-23 |
| 5337302 | Optical data recording/reproduction apparatus for use with semiconductor lasers as a light source | Hiroshi Gotoh, Masami Emoto | 1994-08-09 |
| 5235589 | Apparatus for recording and reproducing optical information and prism coupler | Tami Isobe, Shigeyoshi Misawa, Syunsuke Fujita, Magane Aoki | 1993-08-10 |
| 5208800 | Mode splitter and magneto-optical signal detection device | Tami Isobe, Shigeyoshi Misawa, Syunsuke Fujita, Magane Aoki, Yoshinobu Nakayama +1 more | 1993-05-04 |
| 5119452 | High efficiency prism coupling device and method for producing the same | Yoshinobu Nakayama, Shigeyoshi Misawa, Tami Isobe, Syunsuke Fujita, Hiroyoshi Funato +1 more | 1992-06-02 |
| 5095389 | Beam shaping optical system | — | 1992-03-10 |
| 5091982 | Waveguide type optical detection apparatus | Shunsuke Fujita, Shigeyoshi Misawa | 1992-02-25 |
| 5060214 | Optical pickup device keeping coincident the optical axes of the objective lens and of the recording/reproducing beam | Masahiko Nakayama, Toshihiro Shigemori, Haruhiko Kono | 1991-10-22 |
| 4932743 | Optical waveguide device | Tami Isobe | 1990-06-12 |
| 4877301 | Covered optical waveguide having an inlet opening | Tami Isobe | 1989-10-31 |
| 4807238 | A semiconductor laser device | — | 1989-02-21 |