Issued Patents All Time
Showing 101–117 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6564606 | Manufacturing method and manufacturing apparatus for metallic bellows | Tsutomu Furuyama | 2003-05-20 |
| 6479271 | Genes encoding desulfurization enzymes | Yoshitaka Ishii, Jin-emon Konishi, Kazuaki Hirasawa, Masanori Suzuki | 2002-11-12 |
| 6420158 | Gene encoding desulfurases | Yoshitaka Ishii, Jin-emon Konishi, Kazuaki Hirasawa, Masanori Suzuki | 2002-07-16 |
| 6383698 | Electrophotosensitive material using quinone derivative | Masaaki Yokoyama | 2002-05-07 |
| 6358654 | Toner and development unit and image forming apparatus using the same | Hiroshi Ito, Toshiya Takahata, Kazuhiro Ichikawa | 2002-03-19 |
| 6146802 | Toner and development unit and image forming apparatus using the same | Kazuhiro Ichikawa, Hiroshi Ito, Toshiya Takahata | 2000-11-14 |
| 5977389 | Naphthoquinone derivative | Nobuko Akiba, Fumio Sugai | 1999-11-02 |
| 5655197 | Developing device | Yoshiro Koga, Takashi Suzuki, Yoshihiro Nakashima, Takehiko Okamura | 1997-08-05 |
| 5557060 | Developing device | Yoshiro Koga, Takashi Suzuki, Yoshihiro Nakashima, Takehiko Okamura | 1996-09-17 |
| 5475469 | Image forming equipment with depletion detection in an toner endless circulation path | Kiyoharu Momose, Junichiro Shinozaki, Yoshinori Miyazawa | 1995-12-12 |
| 5332877 | Pictorial symbol switch | Takao Oura, Tatsuki Iwasaki, Nobuaki Iwabuchi, Keishi Fujii, Hideo Mitsui | 1994-07-26 |
| 5332593 | Method of producing minced fish meat | Sumito Goto, Fumio Tsujii, Takeshi Suzuki | 1994-07-26 |
| D300744 | Combined computer display terminal and telephone | Takao Oura, Masayoshi Hosaka | 1989-04-18 |
| D300533 | Combined computer display terminal and telephone | Takao Oura, Masayoshi Hosaka | 1989-04-04 |
| 4689520 | Color cathode ray tube having an improved color phosphor screen | Shigeo Kuboniwa, Michio Tamura | 1987-08-25 |
| D279096 | Combined tape deck, phonograph, tuner and amplifier | Takao Oura | 1985-06-04 |
| D268929 | Combined tape deck, phonograph, tuner and amplifier | Takeshi Tsuruta, Takao Oura | 1983-05-10 |