Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6346356 | Toner, toner production process, and image-forming method | Manabu Ohno, Toshiyuki Ugai, Ryoichi Fujita, Shinya Yachi, Kenichi Nakayama | 2002-02-12 |
| 6316157 | Toner and image forming method | Junko Yoshikawa, Kenji Okado, Masaaki Taya, Yushi Mikuriya, Kazumi Yoshizaki +1 more | 2001-11-13 |
| 5855663 | Carbon fibers for reinforcement of cement and cement composite material | Katsumi Takano, Hideyuki Nakajima, Yoshikazu Nagata, Sadatoshi Ohno, Tadahiro Kakizawa +3 more | 1999-01-05 |
| 5824245 | Processes for preparing milled graphite fibers | Toshio Tamaki, Minoru Tamaki | 1998-10-20 |
| 5795678 | Negative electrode for use in lithium secondary battery and process for producing the same | Norio Takami, Takahisa Ohsaki, Toshio Tamaki, Hideyuki Nakajima | 1998-08-18 |
| 5686181 | Carbon fibers for reinforcement of cement and cement composite material | Katsumi Takano, Hideyuki Nakajima, Yoshikazu Nagata, Sadatoshi Ohno, Tadahiro Kakizawa +3 more | 1997-11-11 |