Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6943212 | Deproteinized natural rubber latex, method of preparing the same, rubber product using the same, and proteolytic agent for deproteinized natural rubber latex | Yoshiaki Miyamoto | 2005-09-13 |
| 6864305 | Puncture sealing agent for a tire, and process for producing the same | Masahiro Kishida, Yoshihide Kojima, Kohei Takemura, Akihiko Hamada | 2005-03-08 |
| 6797783 | Modified natural rubber | Yasuyuki Tanaka, Toshiaki Sakaki, Yuichi Hioki, Masaharu Hayashi | 2004-09-28 |
| 6784281 | Low allergenic natural rubber and method of preparing low allergenic natural rubber latex | Yoshiaki Miyamoto, Masaharu Hayashi | 2004-08-31 |
| 6512034 | Cationic graft-modified natural rubber latex | Akihiko Hamada | 2003-01-28 |
| 6462159 | Cationic deproteinized natural rubber latex, method of preparing the same, and treating agent used in the method | Akihiko Hamada, Masaharu Hayashi | 2002-10-08 |
| 6335407 | Deproteinized natural rubber and process for producing the same | Yasuyuki Tanaka, Yuichi Hioki | 2002-01-01 |
| 6265479 | Deproteinizing agent and method of preparing cationic deproteinized natural rubber latex using the same | Akihiko Hamada, Masaharu Hayashi | 2001-07-24 |
| 6239253 | Deproteinized natural rubber and process for producing the same | Yasuyuki Tanaka, Yuichi Hioki | 2001-05-29 |
| 6204358 | Process for producing deproteinized natural rubber using protease and anionic surfactant | Yasuyuki Tanaka, Yuichi Hioki | 2001-03-20 |
| 5610212 | Means for mechanically stabilizing deproteinized natural rubber latex | Yasuyuki Tanaka, Yuichi Hioki, Masaharu Hayashi, Toshiaki Sakaki | 1997-03-11 |
| 5585459 | Process for producing raw rubber | Yasuyuki Tanaka, Yuichi Hioki, Masaharu Hayashi, Toshiaki Sakaki | 1996-12-17 |