Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399201 | Blowing agent powder and process for producing the same | Toshinori Takao, Sadafumi Shono, Chiaki Yasumaru, Shigeru Sumitomo, Nobuyuki Ueda +1 more | 2002-06-04 |
| 6355698 | Substantially anhydrous foaming agent and process for producing the same | Nobuyuki Ueda, Sadafumi Shono, Yoshifumi Tachi, Shigeru Sumitomo | 2002-03-12 |
| 5981764 | Process for producing 1-aminopyrrolidine, and 1-aminopyrrolidine according to the process | Yoshihisa Tomotaki, Keiichiro Ishikawa, Akihiro Nabeshima, Tomohiro Furuichi | 1999-11-09 |
| 5241117 | Process for producing semicarbazide | Hiroyasu Hayashi, Kazusaki Kamiya | 1993-08-31 |
| 4465867 | Process for preparing o-methallyloxyphenol | Takeshi Gondo, Shigeo Takahashi, Hidetoshi Kume | 1984-08-14 |
| 4465868 | Process for preparing o-methallyloxyphenol | Takeshi Gondo, Syozo Hayase | 1984-08-14 |
| 4451662 | Process for preparing 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran | Takeshi Gondo | 1984-05-29 |