Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9280077 | Charge control agent composition for external addition and electrostatic image developing toner | Koichi Tsunemi, Atsushi Suka, Takashi Iimura, Kazuyuki Matsumura, Muneo Kudo +2 more | 2016-03-08 |
| 7915326 | Printing ink composition | Shozo Murata | 2011-03-29 |
| 7442481 | Charge control agent | Gary Don Ellis, Rhonda Sue Bartram, Edward William da Ponte, Timothy Alan Overway, Keiki Suganami | 2008-10-28 |
| 6166641 | Termite sensor and termite intrusion detecting system | Fumio Nakaya, Masao Shimada | 2000-12-26 |
| 5470645 | Magnetic recording medium having two magnetic layers comprising magnetic powder and binder | Hajime Takeuchi, Minori Murano | 1995-11-28 |
| 5418077 | Magnetic records medium having multiple magnetic layers for recording in long and short wavelength | Hajime Takeuchi, Seiichi Tobisawa, Toshio Fukaya, Ken-ichi Furuhata | 1995-05-23 |
| 4585697 | Magnetic recording medium | Hirohisa Kato, Yuji Doki | 1986-04-29 |
| 4565726 | Magnetic recording media having ferromagnetic and ferrite particles in the magnetic layer thereof | Hirohisa Kato, Moriyasu Wada, Toshimitsu Asano | 1986-01-21 |
| 4447256 | N-(Unsubstituted or substituted pyridyl)aminomethylene-diphosphonic acids, herbicidal compositions containing same, their use for herbicides, and process for preparing same | Fumio Suzuki, Yoshihiro Fujikawa, Susumu Yamamoto, Hidemi Mizutani, Tunehiko Ohya +1 more | 1984-05-08 |
| 4447467 | Method and apparatus for perpendicular magnetic recording medium | Hirohisa Kato, Hirotaka Yokoyama | 1984-05-08 |
| 4425401 | Magnetic recording media | Tadashi Ido, Hirotaka Yokoyama, Moriyasu Wada, Akio Ishizawa, Yoshiyasu Koike | 1984-01-10 |
| 4414124 | Method of producing barium-ferrite series powder | Hiroshi Endo, Masashi Awa, Shigeo Iiri, Isao Suzuki, Naoyuki Hirate +1 more | 1983-11-08 |
| 4284700 | Polymer coated transition metal powder as electrostatic image toner | Akio Ishizawa, Hiromi Yoshida | 1981-08-18 |
| 4266503 | Apparatus for forming a cloud of toner particles | Tsutomu Uehara, Tsutomu Kubo, Yukio Suzuki, Toshiharu Nakagawa, Ichiyoshi Saito | 1981-05-12 |
| 4233935 | Magnetic brush apparatus for electrostatic printing system | Tsutomu Uehara, Tsutomu Kubo, Yukio Suzuki | 1980-11-18 |
| 4221554 | Method and apparatus for forming spherical particles of thermoplastic material | Ichiyoshi Saito, Tsuyoshi Ueno, Tsutomu Kubo | 1980-09-09 |
| 4212837 | Method and apparatus for forming spherical particles of thermoplastic material | Ichiyoshi Saito, Tsuyoshi Ueno, Tsutomu Kubo | 1980-07-15 |