Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620934 | Production process of silicon carbide from organosilicon compounds | Masayoshi Itoh, Ryo Takeuchi, Kenji Iwata | 1997-04-15 |
| 5440008 | Process for preparing polyhydroxycarboxylic acid | Fumiaki Ichikawa, Masahiro Ohta, Yasunori Yoshida, Shoji Obuchi, Hiroyuki Itoh | 1995-08-08 |
| 5041587 | Process for preparing organic silicon compound | Masayoshi Itoh, Kenji Iwata, Noriyuki Yanagawa, Tetsura Utsumi, Ryo Takeuchi +1 more | 1991-08-20 |
| 4659397 | Manufacturing process for plate or forging of ferrite-austenite two-phase stainless steel | Takeshi Yoshida, Masahiro Aoki, Masao Okubo, Masaaki Nagayama | 1987-04-21 |