Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399201 | Blowing agent powder and process for producing the same | Tsukasa Maekawa, Toshinori Takao, Chiaki Yasumaru, Shigeru Sumitomo, Nobuyuki Ueda +1 more | 2002-06-04 |
| 6355698 | Substantially anhydrous foaming agent and process for producing the same | Tsukasa Maekawa, Nobuyuki Ueda, Yoshifumi Tachi, Shigeru Sumitomo | 2002-03-12 |