Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34344 | Developing device | Shingo Sakato, Eiichi Tone, Shuji Fujisawa, Yousuke Ohata, Hiroshi Hiraoka | 1993-08-17 |
| 5085915 | Magnetic recording medium | Kazuaki Taga, Hiroo Inaba, Hiroshi Ogawa | 1992-02-04 |
| 4937353 | Preparation process for indoles | Akihide Kudoh, Tadatoshi Honda, Makoto Kotani, Kazuhiro Terada, Shinji Kiyono | 1990-06-26 |
| 4916236 | Preparation of indoles by cyclization | Akihide Kudoh, Tadatoshi Honda, Makoto Kotani, Kazuhiro Terada, Shinji Kiyono | 1990-04-10 |
| 4860053 | Color image forming apparatus having a plurality of developing units | Haruo Yamamoto, Takao Ichihashi, Shuji Fujisawa, Eiichi Tone | 1989-08-22 |
| 4851873 | Developing device | Shingo Sakao, Eiichi Tone, Shuji Fujisawa, Yousuke Ohata, Hiroshi Hiraoka | 1989-07-25 |
| 4746952 | Developing device | Toshiaki Kusuda, Masakatsu Akashi | 1988-05-24 |
| 4668283 | Magnetic powder and production process thereof | Tadatoshi Honda | 1987-05-26 |
| 4390737 | Process for the ortho-alkylation of phenolic compounds | Akihide Kudoh, Motoo Kawamata, Kazushi Ohshima, Makoto Kotani, Satoshi Morita | 1983-06-28 |
| 4388478 | Process for the ortho-alkylation of phenolic compounds | Akihide Kudoh, Motoo Kawamata, Kazushi Ohshima, Makoto Kotani, Fukuichi Aoki | 1983-06-14 |
| 4375566 | Process for producing ortho-alkylated phenols from anisoles | Motoo Kawamata, Kazushi Ohshima, Mitsuo Onofusa, Akihide Kudoh, Makoto Kotani | 1983-03-01 |
| 4361709 | Process for the production of o-alkylated phenols | Motoo Kawamata, Kazushi Ohshima, Mitsuo Onofusa, Akihide Kudoh, Makoto Kotani | 1982-11-30 |
| 4309886 | Process for producing steel strip material for use in manufacture of shadow mask of Braun tube for color TV | Michio Kubota, Masahiro Shimose, Kazuhiro Takagi, Yasuo Imamura, Kazunori Kato | 1982-01-12 |
| 4271571 | Process for manufacturing shadow mask of Braun tube for color TV | Michio Kubota, Kazuhiro Takagi, Masahiro Shimose, Yasuo Imamura, Kazunori Kato | 1981-06-09 |