Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639733 | Alkyl glycoside aqueous solution | Toyomi Koike, Hiroshi Nagumo, Akira Yamamuro | 1997-06-17 |
| 5637755 | Sulfonate compound process for producing the same, and bleach composition comprising the same | Hiroshi Nagumo, Norio Nishikawa, Toyomi Koike, Hiroyuki Yamada | 1997-06-10 |
| 5401433 | Working fluid composition having ketone-containing compound for use in refrigeration system | Hiroki Sawada, Toshiya Hagihara, Yuichiro Kobayashi, Akimitsu Sakai, Hideo Suzuki +2 more | 1995-03-28 |
| 5300245 | Working fluid composition having ketone-containing compound for use in refrigeration system | Hiroki Sawada, Toshiya Hagihara, Yuichiro Kobayashi, Akimitsu Sakai, Hideo Suzuki +2 more | 1994-04-05 |
| 4845002 | Toner for development of electrostatically charged image | Masao Niki, Shinichiro Yasuda, Kazuhiko Okabe | 1989-07-04 |
| 4792622 | Process for preparation of secondary amine | Yuzi Sawamoto, Hideki Taniguchi, Kazuhiko Okabe | 1988-12-20 |
| 4757144 | Preparing tertiary amine from formaldehyde and primary and/or secondary amine | Kazuhiko Okabe, Kazuhito Matsutani, Tatuhiro Imanaka | 1988-07-12 |
| 4714719 | Catalyst for preparation of polyurethane and process for the preparation | Harumasa Yamasaki, Masayoshi Morii, Akira Mamada, Yoshiyuki Nabata | 1987-12-22 |
| 4625063 | Production of tertiary amine | Yuji Sawamoto, Hideki Taniguchi, Kazuhiko Okabe | 1986-11-25 |