Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8039538 | Rubber composition for a tire and tire having a tread using the same | Kazuo Hochi | 2011-10-18 |
| 7932318 | Conductive roller composition of chloroprene rubber, epichlorohydrin-ethylene oxide copolymer and thiourea | Takayuki Hattori, Tetsuo Mizoguchi, Shunichi Yabushita | 2011-04-26 |
| 7641973 | Conductive member for image-forming apparatus | Takayuki Hattori, Jun Ochi, Masakazu Tanaka, Katsumi Terakawa, Yogun Ki | 2010-01-05 |
| 7445588 | Electroconductive roller | Takayuki Hattori, Jun Ochi, Jun Nishibayashi, Shinji Bessyo, Satoshi Tanaka +2 more | 2008-11-04 |
| 7435770 | Polymeric-type electric resistance control agent and polymer composition containing the same | Takayuki Hattori, Katsumi Terakawa, Tetsuo Mizoguchi, Toshiaki Sakaki, Hiromasa Okubo +2 more | 2008-10-14 |
| 7226965 | Polymeric-type electric resistance control agent and polymer composition containing the same | Takayuki Hattori, Katsumi Terakawa, Tetsuo Mizoguchi, Toshiaki Sakaki, Hiromasa Okubo +2 more | 2007-06-05 |
| 7172543 | Conductive roller | Takayuki Hattori, Jun Ochi | 2007-02-06 |
| 7172544 | Conductive roller and image-forming apparatus having conductive roller | Yogun Ki, Takayuki Hattori, Kiyotaka Okuda | 2007-02-06 |
| 6917512 | Oil-impregnated film capacitor and preparation method thereof | Tatsuhiko Hongu | 2005-07-12 |
| 6870008 | Rubber composition and rubber roller | — | 2005-03-22 |
| 6870007 | Rubber composition and rubber roller | — | 2005-03-22 |
| 6627702 | Rubber composition and rubber roller | — | 2003-09-30 |
| 5057165 | Rare earth permanent magnet and a method for manufacture thereof | Hiroaki Nagata, Ken Ohashi, Yoshio Tawara | 1991-10-15 |