Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081394 | Information recording apparatus and method, information reproducing method and fade-in memory, with summary information corresponding to plurality of information recording elements | Migaku Takahashi, Masakiyo Tsunoda, Shin Saito, Tomoyuki Ogawa, Itaru Fujimura +1 more | 2011-12-20 |
| 7940628 | Multilayer optical information recording medium, optical head, and optical drive | Shigeru Oouchida | 2011-05-10 |
| 7826174 | Information recording method and apparatus using plasmonic transmission along line of ferromagnetic nano-particles with reproducing method using fade-in memory | Migaku Takahashi, Masakiyo Tsunoda, Shin Saito, Tomoyuki Ogawa, Itaru Fujimura +1 more | 2010-11-02 |
| 7239442 | Optical frequency comb generator | Motonobu Kourogi, Widiyatmoko Bambang, Osamu Nakamoto, Yoshinobu Nakayama | 2007-07-03 |
| 5907438 | Imaging device | Kazuhiro Fujita, Toshihiro Kanematsu, Ikuo Maeda, Takahito Uga, Hiroyuki Inoue | 1999-05-25 |
| 5481636 | Wavelength conversion element | Hiroaki Fukuda, Hiroyoshi Funato | 1996-01-02 |
| 5418765 | Apparatus for recording and reproducing optical information having an optical waveguide | Kiyoshi Yokomori, Masahiko Nakayama | 1995-05-23 |
| 5333231 | Wavelength conversion element | Hiroaki Fukuda, Hiroyoshi Funato | 1994-07-26 |
| 5235589 | Apparatus for recording and reproducing optical information and prism coupler | Kiyoshi Yokomori, Tami Isobe, Syunsuke Fujita, Magane Aoki | 1993-08-10 |
| 5208800 | Mode splitter and magneto-optical signal detection device | Tami Isobe, Kiyoshi Yokomori, Syunsuke Fujita, Magane Aoki, Yoshinobu Nakayama +1 more | 1993-05-04 |
| 5195071 | Focus detecting optical head | Hiroyoshi Funato | 1993-03-16 |
| 5119452 | High efficiency prism coupling device and method for producing the same | Kiyoshi Yokomori, Yoshinobu Nakayama, Tami Isobe, Syunsuke Fujita, Hiroyoshi Funato +1 more | 1992-06-02 |
| 5091982 | Waveguide type optical detection apparatus | Kiyoshi Yokomori, Shunsuke Fujita | 1992-02-25 |
| 4971414 | Optical information record/read apparatus | Hiroyoshi Funato | 1990-11-20 |
| 4876680 | Monolithic optical pick-up using an optical waveguide | Hiroyoshi Funato | 1989-10-24 |