Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7587652 | Variable power distributor, error detection method thereof, and set value correction method | Kazushi Nishizawa, Nobuyasu Takemura, Hiroaki Miyashita, Yoshihiko Konishi, Izuru Naitou | 2009-09-08 |
| 7256666 | Band rejection filter with attenuation poles | Hiromitsu Uchida, Moriyasu Miyazaki, Norio Umemura, Junko Nakayama, Hirotaka Kamino | 2007-08-14 |
| 5950937 | Alumina-zirconia sintered body, production thereof, and impact grinder using said alumina-zirconia sintered body | Akihito Iwai, Hiroshi Wada, Katsumi Matsumoto, Sosuke Naito, Hideki Nakamura +1 more | 1999-09-14 |
| 5877105 | Alumina-zirconia sintered body, production thereof, and impact grinder using said alumina-zirconia sintered body | Akihito Iwai, Hiroshi Wada, Katsumi Matsumoto, Sosuke Naito, Hideki Nakamura +1 more | 1999-03-02 |
| 5845856 | Pin mill type crusher | Hiroaki Tanaka, Toshio Watanabe, Sosuke Naito, Toshikatsu Chida, Hideki Nakamura +1 more | 1998-12-08 |
| 5286294 | Vacuum coating apparatus | Tadamichi Ebi | 1994-02-15 |
| 4958314 | Information recording/reproducing apparatus | Yoshio Nakano, Makoto Ando, Yoshiyuki Iwamura, Takashi Ishida | 1990-09-18 |
| 4841498 | Information recording/reproducing apparatus with means for substituting predetermined good sectors for defective ones | Tatuo Sugimura, Isao Satoh, Makoto Ichinose | 1989-06-20 |