Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8265330 | Material for speaker device and speaker device using it | Yoshiharu Fukunishi, Kengo Tabata, Toshiyuki Matsumura, Shuji Saiki, Yoshimichi Kajihara +1 more | 2012-09-11 |
| 7785407 | Evaporated fuel gas adsorbent, evaporated fuel gas trapping apparatus, active carbon and process for producing the same | Susumu Abe, Shizuo Ishimura, Yoshifumi Egawa, Akira Miyake, Takayuki Yamada +1 more | 2010-08-31 |
| 7709415 | Method for manufacturing activated carbon, polarizable electrode, and electric double-layered capacitor | Nozomu Sugo, Hideharu Iwasaki, Tatsuo Morotomi, Tsuyoshi Kowaka, Teruhiro Okada +4 more | 2010-05-04 |
| 6007712 | Waste water treatment apparatus | Eiji Tanaka, Tamio Higashi, Takeshi Matsuda, Hiroaki Fujii, Naoshi Nakagawa +3 more | 1999-12-28 |
| 5811488 | Polyvinyl alcohol powder | Naoto NARUMOTO, Yuji Takenouchi, Takanori Tsugiya, Hisamichi Yanai | 1998-09-22 |
| 5420023 | Process for producing L-phenylalanine | Tadashi Matsunaga | 1995-05-30 |
| 5352750 | Process for producing ethylene-vinyl ester copolymers, ethylene-vinyl alcohol copolymers, and process for producing shaped articles therefrom | Hisamichi Yanai, Fumio Nakahara, Katsumi Shimizu, Akimasa Aoyama, Takeshi Moritani | 1994-10-04 |
| 5240997 | Process for producing ethylene-vinyl alcohol copolymers | Hisamichi Yanai, Fumio Nakahara, Katsumi Shimizu, Akimasa Aoyama, Takeshi Moritani | 1993-08-31 |
| 5047469 | Novel polyvinyl alcohol and process for producing polyvinyl alcohol by hydrolysis catalyzed by acids | Yuuji Takenouchi, Kunio Abe | 1991-09-10 |
| 4743547 | Method of producing L-phenylalanine | Yoichi Matsumoto, Noriaki Yoshimura | 1988-05-10 |
| 4723036 | Process for producing propylene glycol monoacetate | Masuhiko Tamura | 1988-02-02 |
| 4500727 | Process for producing methyl lactate | Mitsuo Matsumoto, Masuhiko Tamura | 1985-02-19 |
| 4214111 | Method of producing olefin oligomers and hydrogenation products thereof | Masuhiko Tamura | 1980-07-22 |