Issued Patents All Time
Showing 26–50 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592643 | Copying machine having reduced image memory | Teruaki Higashiguchi, Koji Yano, Kazuo Yamamoto, Yoshinobu Kawakami | 1986-06-03 |
| 4576888 | Toner for electrophotography comprising azoic pigment having silica core | Kouji Maekawa, Teruaki Higashiguchi, Kaname Nakatani | 1986-03-18 |
| 4566908 | Azoic pigments having a silica core | Kaname Nakatani, Teruaki Higashiguchi, Syoji Nakagama | 1986-01-28 |
| 4557856 | Electrically conductive composition for electro-responsive recording materials | Hiroshi Kokado, Eiichi Inoue | 1985-12-10 |
| 4551403 | Photosensitive material for electrophotography | Teruaki Higashiguti, Yumiko Sano, Masatomi Funato | 1985-11-05 |
| 4535044 | Photosensitive material for electrophotography containing photosensitive layer incorporating pentakisazo pigment | Teruaki Higashiguchi | 1985-08-13 |
| 4530893 | One-component type red color magnetic developer | Kouji Maekawa | 1985-07-23 |
| 4524118 | Electrophotographic photosensitive material with ozone inhibitor | Kaname Nakatani, Teruaki Higashiguchi, Tomomi Edo | 1985-06-18 |
| 4504562 | One-component type magnetic developer comprises particles of cubic magnetite | Masanori Fujii, Kouzi Maekawa | 1985-03-12 |
| 4502067 | Heat-sensitive black recording material | Masanori Matsuda, Haruo Koyama | 1985-02-26 |
| 4500897 | Heat-sensitive black recording element | Masanori Matsuda, Haruo Koyama | 1985-02-19 |
| 4495268 | Electrophotographic process using transfer-type one-component magnetic developer | — | 1985-01-22 |
| 4492746 | Electrophotographic photosensitive material with polyester binder | Teruaki Higashiguti, Yumiko Sano, Masatomi Funato | 1985-01-08 |
| 4485163 | One-component magnetic dry developer comprises triiron tetroxide having specified coercive force and vinyl aromatic polymer and process of use | — | 1984-11-27 |
| 4480019 | Electrophotographic photosensitive material | Teruaki Higashiguchi, Kaname Nakatani | 1984-10-30 |
| 4459336 | Heat-sensitive color-forming recording material and process for preparation thereof | — | 1984-07-10 |
| 4447513 | Photosensitive material for electrophotography | Teruaki Higashiguchi, Yumiko Sano, Masatomi Funato | 1984-05-08 |
| 4433039 | Trisazo electrophotographic photosensitive material | Teruaki Higashiguti, Yumiko Sano, Masatomi Funato | 1984-02-21 |
| 4416964 | Dry magnetic developer containing a non-pulverizing agglumerate of cubic magnetite particles | Takashi Teshima, Haruo Koyama, Kouji Maekawa, Masanori Fujii | 1983-11-22 |
| 4414322 | Two-component type magnetic developer | Masanori Fujii, Kouzi Maekawa | 1983-11-08 |
| 4414321 | Dry composite blended magnetic developer of resin encapsulated fine magnetite and resin encapsulated coarse magnetite | Masanori Fujii, Kouzi Maekawa | 1983-11-08 |
| 4407923 | One component magnetic developer | Masanori Fujii, Kouzi Maekawa, Haruo Koyama, Takashi Teshima | 1983-10-04 |
| 4404269 | Developer containing magnetic and non-magnetic toner | Kouzi Maekawa, Masanori Fujii | 1983-09-13 |
| 4401741 | One-component type developer | Kouzi Maekawa | 1983-08-30 |
| 4395112 | Latent electrostatic image developing device | Kiyoshi Shibata, Toshio Watanabe, Yosuke Ohata | 1983-07-26 |