Issued Patents All Time
Showing 76–90 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6914870 | Optical head apparatus | Junichi Asada, Seiji Nishiwaki, Kenji Nagashima, Hiroaki Matsumiya, Youichi Saitoh +1 more | 2005-07-05 |
| 6888787 | Optical information processor and optical element | Youichi Saitoh, Junichi Asada, Seiji Nishiwaki, Kenji Nagashima, Kazuo Momoo +1 more | 2005-05-03 |
| 6819647 | Optical information processor and optical element | Youichi Saitoh, Junichi Asada, Seiji Nishiwaki, Kenji Nagashima, Kazuo Momoo +1 more | 2004-11-16 |
| 6741538 | Optical device for recording and reproducing information | Kazuo Momoo, Hiroaki Matsumiya | 2004-05-25 |
| 6674709 | Optical head apparatus | Junichi Asada, Seiji Nishiwaki, Kenji Nagashima, Hiroaki Matsumiya, Youichi Saitoh +1 more | 2004-01-06 |
| 6618343 | Optical information processor and optical element | Youichi Saitoh, Junichi Asada, Seiji Nishiwaki, Kenji Nagashima, Kazuo Momoo +1 more | 2003-09-09 |
| 5896130 | Signal processing device and method for adjusting the picture signal base on the selected input | Kazuhiro Tsuchiya, Noriyuki Hitachiya | 1999-04-20 |
| 5423977 | Rotary filter with automatic spray cleaning device for cleaning same | Seijiro AOKI | 1995-06-13 |
| 5061525 | Sizing method | Tsuneo Yasumura, Yasuo Ishii | 1991-10-29 |
| 4628328 | Thermomagnetic recording apparatus | Akira Tasaki, Teruhiko Itami, Shunsuke Tomiyama | 1986-12-09 |
| D273404 | Toy trumpet | — | 1984-04-10 |
| D267896 | Wheeled toy figure | Michael Nuttall | 1983-02-08 |
| D265672 | Mechanical doll toy | — | 1982-08-03 |
| D265671 | Mechanical doll toy | — | 1982-08-03 |
| D262226 | Wheeled toy nurse figure | — | 1981-12-08 |