Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277867 | Method for making high strength injection molded ferrous material | Koshiro Ueda, Tohru Kohno | 1994-01-11 |
| 4274874 | Copper-tin type sintered alloy for oil-impregnated bearing excellent in bearing performance as bearing used in low-load and high-velocity region | Kunio Obara, Tohru Kohno | 1981-06-23 |
| 4254212 | Photographic silver halide light-sensitive material and color image-forming process | Morio Yagihara, Yukio Yokota, Akira Ogawa | 1981-03-03 |
| 4235813 | Aromatic sulfonamide sulfonyl chloride compounds | Hideo Ueda | 1980-11-25 |
| 4215030 | Photographic polyester film support | Tsutomu Okita, Masami Satou, Noburo Hibino, Kazunobu Katoh | 1980-07-29 |