Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411966 | Magnetic recording medium | Nobutaka Yamaguchi, Yasutoshi Okuzawa, Norio Nasu, Masaaki Fujiyama | 1983-10-25 |
| 4405481 | Magnetic recording medium | Yasuyuki Yamada, Tsutomu Okita, Yasuo Mukunoki | 1983-09-20 |
| 4391851 | Process for producing a magnetic recording medium | Yasuyuki Yamada, Goro Akashi, Yoshito Mukaida, Masaaki Fujiyama | 1983-07-05 |
| 4385110 | Process for preparing color photographic light-sensitive materials | Maskazu Yoneyama, Takeshi Mikami | 1983-05-24 |
| 4379809 | Magnetic recording medium | Akihiro Matsufuji, Tadashi Ishiguro | 1983-04-12 |
| 4343831 | Process for producing magnetic recording medium | Goro Akashi, Masaaki Fujiyama, Yasuyuki Yamada | 1982-08-10 |
| 4336308 | Magnetic recording media | Yasuyuki Yamada, Kenichi Masuyama | 1982-06-22 |
| 4324177 | Calender roll for supercalender | Masaaki Fujiyama, Hiromi Nakahara, Eiichi Tadokoro, Keiji Tanaka, Isao Yamamoto | 1982-04-13 |
| 4221862 | Method of producing finely divided polymer particles | Kenji Naito, Keitaro Ohe | 1980-09-09 |
| 4201589 | Silver halide photo-sensitive material prepared with solvent and solvent soluble polymer | Shinji Sakaguchi, Seiiti Kubodera, Jun Arakawa, Keisuke Shiba | 1980-05-06 |