Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6248491 | Toner for electrostatic image development | Hitoshi Takayanagi, Takashi Ito, Kenichi Hirabayashi, Yukiko Soma, Toshiro Kogawara +2 more | 2001-06-19 |
| 6203957 | Spherical toner particle | Hitoshi Takayanagi, Kenichi Hirabayashi, Takashi Ito, Kazuo Itoya, Masahiro Yoshida | 2001-03-20 |
| 6183924 | Electrostatic image developer | Takashi Ito, Hitoshi Takayanagi, Kazuo Itoya | 2001-02-06 |
| 6127083 | Image forming method using spherical toner particle | Takashi Ito, Hitoshi Takayanagi, Kazuo Itoya | 2000-10-03 |
| 6035769 | Method for preserving cooked food and vacuum sealed preservation container therefor | Shigeru Nomura | 2000-03-14 |
| 6017670 | Electrophotographic toner and process for the preparation thereof | Toyomi Hashizume, Shoji Okuno, Yukiko Soma, Hitoshi Takayanagi, Takashi Ito +1 more | 2000-01-25 |
| 5974686 | Method for preserving cooked food using a vacuum sealed preservation container | Shigeru Nomura | 1999-11-02 |
| 5885743 | Electrophotographic toner and process for the preparation thereof | Hitoshi Takayanagi, Hiroko Sakurai, Kazuo Itoya, Kinji Shinzo, Yukiko Soma +4 more | 1999-03-23 |
| 5691095 | Toner for developing electrostatic latent image and process for producing the same | Kinji Shinzo, Hideki Watanabe, Seiichi Uno, Nansei Tashiro | 1997-11-25 |
| 4999087 | Twin wire forming apparatus with positive pressure foils | Masafumi Ebihara, Takeshi Akitomo | 1991-03-12 |
| 4694403 | Equalized capacitance wiring method for LSI circuits | — | 1987-09-15 |
| 4590497 | Heat insulated thermosensitive paper | Tomoo Shibata, Wissam J. Jurdi | 1986-05-20 |
| 4251593 | Heat-sensitive recording sheet | Hiroshi Sakamoto, Minoru Hagiri | 1981-02-17 |
| 4247595 | Thermosensitive recording material | Susumu Iwata, Mithuo Ono | 1981-01-27 |