Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245920 | Metal raney catalysts and preparation of hydrogenated compounds therewith | Shuuji Hirayama, Yoshimasa Ishimura, Yuseki Suyama, Tsutomu Nozawa, Hiroyuki Monzen +3 more | 2001-06-12 |
| 6215030 | Noble metal raney catalysts and preparation of hydrogenated compounds therewith | Shuuji Hirayama, Yoshimasa Ishimura, Yuseki Suyama, Tsutomu Nozawa, Hiroyuki Monzen +3 more | 2001-04-10 |
| 6114277 | Process for preparing cyano group-containing aromatic methylamines | Motoo Miura, Yuseki Suyama, Hideyuki Kondo | 2000-09-05 |
| 6018048 | Noble metal Raney catalysts and preparation of hydrogenated compounds therewith | Shuuji Hirayama, Yoshimasa Ishimura, Yuseki Suyama, Tsutomu Nozawa, Hiroyuki Monzen +3 more | 2000-01-25 |
| 5032567 | Additive for heat-sensitive recording material, the recording material and method for production of the recording material | Akihiro Ohtsubo, Yohko Kataoka, Sumio Soya | 1991-07-16 |
| 4939269 | 3-substituted hydantoins | Akihiro Ohtsubo, Yohko Kataoka, Sumio Soya | 1990-07-03 |