Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763794 | Vibration sound reducing device, and process for assembling elastic membrane in vibration sound reducing device | Terukazu Torikai, Kojiro Kamata, Shinichi Watanabe, Motoyuki Sunaoka, Noriaki Kawai | 2004-07-20 |
| 6582586 | Method of removing scales and preventing scale formation on metal materials and apparatus therefor | Tooru Akashi, Yasumitsu Kondou, Shuuichi Hamausu | 2003-06-24 |
| 6200672 | Surface-treated metal plate and metal surface treating fluid | Kenichiro Tadokoro, Hiromasa Shoji | 2001-03-13 |
| 6190780 | Surface treated metal material and surface treating agent | Hiromasa Shoji, Tadashi Sakon, Kenichiro Tadokoro, Yoshihiro Kaneda | 2001-02-20 |
| 5964195 | Water-cooled type internal combustion engine | Noriaki Kawai, Yasuji Nozawa, Naoaki Takeda | 1999-10-12 |
| 5116504 | Organic polymer separation membrane having fluorene skeleton and oxygen enrichment device utilizing same | Tetsuo Sakamoto, Shingo Kazama, Yoshiyuki Harada, Takero Teramoto, Kazuhiro Watanabe +2 more | 1992-05-26 |
| 5049169 | Polysulfone separation membrane | Takerou Teramoto, Shingo Kazama, Tsutomu Kaneta, Masaya Furukawa, Kazuto Shiraishi | 1991-09-17 |
| 4975190 | Organic polymer separation membrane having fluorene skeleton and oxygen enrichment device utilizing same | Tetsuo Sakamoto, Shingo Kazama, Yoshiyuki Harada, Takero Teramoto, Kazuhiro Watanabe +2 more | 1990-12-04 |
| 4968331 | Organic polymer separation membrane having fluorene skeleton and oxygen enrichment device utilizing same | Tetsuo Sakamoto, Shingo Kazama, Yoshiyuki Harada, Takero Teramoto, Kazuhiro Watanabe +2 more | 1990-11-06 |
| 4906550 | Method of producing polydiacetylene thin film | Kengo Shimanoe, Tetsuo Sakamoto | 1990-03-06 |
| 4371745 | Shielded wire | — | 1983-02-01 |
| 4290333 | Expression means of electronic musical instrument | — | 1981-09-22 |
| 4271742 | Sound generator for producing ANGKLONG like sound | Yoshiaki Matsuura | 1981-06-09 |