Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6096235 | Electrorheological fluid composition comprising an electrically insulating oil and dielectric particles of polymer grafted carbon black dispersed thereon | Yoshinobu Asako, Satoru Ono | 2000-08-01 |
| 6040101 | Carrier particles for use in electrostatic image development and electrostatic image developer | Akio Naka, Tetsuya Yamamoto | 2000-03-21 |
| 5952429 | Carbon black graft polymer, method for production thereof, and use thereof | Hayato Ikeda, Nobuyuki Ando, Yoshinobu Asako, Kazuhiro Anan, Tatsuhito Matsuda +3 more | 1999-09-14 |
| 5929139 | Method for production of microfine colored particles and electrophotographic toner, using the particles | Mitsuo Kushino, Hideki Oishi, Tadahiro Yoneda | 1999-07-27 |
| 5789506 | Resinous particles, method for production thereof, and uses therefor | Hironobu Toribuchi, Nobuaki Urashima | 1998-08-04 |
| 5605992 | Emulsion polymerization inhibitor and suspension polymerization method using the agent | Nobuaki Urashima, Hayato Ikeda, Mitsuo Kushino | 1997-02-25 |
| 5559168 | Method for production of microfine colored particles and electrophotographic toner using the particles | Mitsuo Kushino, Hideki Oishi, Tadahiro Yoneda | 1996-09-24 |
| 5420218 | Resinous particles, method for production thereof, and uses therefor | Hironobu Toribuchi, Nobuaki Urashima | 1995-05-30 |
| 5417164 | Thermosensitive recording material and thermosensitive recording method | Manabu Nishida, Masahiro Yoshida, Tatsuhito Matsuda, Masatoshi Yoshida | 1995-05-23 |
| 5413890 | Toner and method for production thereof | Mitsuo Kushino | 1995-05-09 |
| 5288790 | Method for producing spherical fine particles of colored resin | Saburo Nakahara, Yasuhiro Yamamoto, Yohji Akazawa, Masao Baba | 1994-02-22 |
| 5193751 | Coloring fine particles and toner for developing electrostatic images using the same | Hayato Ikeda, Mitsuo Kushino, Nobuaki Urashima, Keiichi Uehara, Masuji Izubayashi +1 more | 1993-03-16 |
| 5080992 | Coloring fine particle and toner for developing electrostatic images using the same | Hayato Ikeda, Mitsuo Kushino, Nobuaki Urashima, Keiichi Uehara, Masuji Izubayashi +1 more | 1992-01-14 |
| 4994520 | Carbon black-graft polymer, method for production thereof, and use thereof | Mitsuo Kushino, Hayato Ideda, Nobuaki Urashima, Masuji Izubayashi, Shigeru Tanimori +4 more | 1991-02-19 |
| 4983681 | Colored microfine globular particles, method for production thereof, and uses thereof | Mitsuo Kushino, Hayato Ikeda, Nobuaki Urashima, Kenji Minami, Iwao Fukikawa | 1991-01-08 |
| 4940749 | Carbon black-graft polymer, method for production thereof, and use thereof | Mitsuo Kushino, Hayato Ikeda, Nobuaki Urashima, Masuji Izubayashi, Shigeru Tanimori +4 more | 1990-07-10 |
| 4910113 | Colored microfine globular particles, method for production thereof and uses thereof | Mitsuo Kushino, Hayato Ikeda, Nobuaki Urashima, Kenji Minami, Iwao Fujikawa | 1990-03-20 |
| 4880857 | Carbon black-graft polymer, method for production thereof, and use thereof | Mitsuo Kushino, Hayato Ikeda, Nobuaki Urashima, Masuji Izubayashi, Shigeru Tanimori +4 more | 1989-11-14 |
| 4656217 | Reactive polymer, method for manufacturing thereof and use thereof | Shiro Sugiura, Masatoshi Yoshida, Ryoichi Oshiumi | 1987-04-07 |