Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5785821 | Process for the production of acrylic acid | Kazuhiko Sakamoto, Sei Nakahara, Takahiro Takeda, Masatoshi Ueoka | 1998-07-28 |
| 5371280 | Polymerization inhibitor and inhibiting method for vinyl compound | Hidefumi Haramaki, Kazuhiko Sakamoto, Masatoshi Ueoka, Masao Baba | 1994-12-06 |
| 5288790 | Method for producing spherical fine particles of colored resin | Saburo Nakahara, Yasuhiro Yamamoto, Masao Baba, Yoshikuni Mori | 1994-02-22 |