Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7642295 | Electrolyte membrane of siloxane-based polymer and solid polymer fuel cell utilizing the same | Zuyi Zhang, Teigo Sakakibara, Motokazu Kobayashi, Masayuki Yamada, Shinji Eritate +1 more | 2010-01-05 |
| 7160968 | Phosphoric acid group-containing polymer electrolyte (composite) membrane and its production method | Masahiro Rikukawa | 2007-01-09 |
| 5300246 | Salty water absorbing composition, salty water ice pack, and salty water absorbing pack | Masayuki Yamamoto, Etsuro Sakagami | 1994-04-05 |
| 4876371 | Process of producing glycidyl ethers of monohydric or polyhydric phenols | Yoshiki Toyoshima, Hisao Takagishi, Tsutomu Takahashi | 1989-10-24 |
| 4785053 | Optical resin material having improved birefringence | Shozaburo Imai, Michihisa Isobe | 1988-11-15 |
| 4468508 | Glycidyl ether of novolak type substituted phenolic resin, process for producing the same, and encapsulating compound composed mainly of the same | Yoshiki Toyoshima, Tsutomu Takahashi, Noriaki Saito | 1984-08-28 |