Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5220436 | Electronic copying machine | Ko Aosaki, Yoji Naka, Seiji Takada | 1993-06-15 |
| 5196963 | Zoom lens device | Tokuji Sato, Kazuo Kamata, Kiyotaka Kobayashi | 1993-03-23 |
| 5184169 | Photography mode input systems | — | 1993-02-02 |
| 5017581 | Pyridonecarboxylic acids and their anti-bacterial compositions | Yutaka Nishino, Tadashi Irie | 1991-05-21 |
| 4990945 | Camera of changeable focal length | Michio Cho, Tokuji Sato, Ko Aosaki | 1991-02-05 |
| 4980776 | Electronic copying machine having a line sensor in which the charge storage time is set based on image signals of the previous scan line | Ko Aosaki | 1990-12-25 |
| 4893142 | Device for activating motor-driven shutter blades | Hiroaki Ishida, Nobuo Shinozaki | 1990-01-09 |
| 4705852 | 1-oxadethia cephalosporin hydroxamic acid derivatives | Wataru Nagata, Tsutomu Aoki | 1987-11-10 |
| 4614797 | Cephalosporin hydroxamic acids | Wataru Nagata, Tsutomu Aoki | 1986-09-30 |
| 4592865 | Azetidinone intermediates for cephalosporin analogs | Masayuki Narisada, Hiroshi Onoue, Teruji Tsuji, Mitsuru Yoshioka, Yoshio Hamashima +1 more | 1986-06-03 |
| 4529721 | Vinylthioacetamido oxacephalosporin derivatives | Wataru Nagata, Mitsuru Yoshioka, Tsutomu Aoki, Toshiro Konoike, Tadatoshi Kubota | 1985-07-16 |
| 4511738 | Process for preparing phosphine oxides | Kanji Tokuyama, Mamoru Tanaka, Wataru Nagata | 1985-04-16 |
| 4508909 | Synthesis of hydroxyethyltetrazolethiol and etherified intermediates therefor | Wataru Nagata, Hisao Sato | 1985-04-02 |