Issued Patents All Time
Showing 101–125 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D351856 | Printing head body for printer | Kenjiro Watanabe, Yasuo Kotaki | 1994-10-25 |
| 5355127 | Method and apparatus for transferring information by utilizing electron beam | Fumitaka Kan, Kenji Nakamura, Naoji Hayakawa, Isamu Shimoda, Masahiko Okunuki | 1994-10-11 |
| 5331344 | Method for producing liquid-discharging recording head, liquid-discharging recording head produced by said method, and recording apparatus utilizing said recording head | Masashi Miyagawa, Katsuhiro Shirota, Norio Ohkuma, Yoshihisa Takizawa, Toshiharu Inui +1 more | 1994-07-19 |
| D348479 | Ink cartridge for printer | Toshihiko Ujita, Kenjiro Watanabe, Yasuo Kotaki, Kazuhiro Nakazima, Koji Yamakawa +5 more | 1994-07-05 |
| D341619 | Ink cartridge for printer | Toshihiko Ujita, Kenjiro Watanabe, Kayomi Sato | 1993-11-23 |
| D341620 | Ink cartridge for printer | Toshihiko Ujita, Kenjiro Watanabe, Kayomi Sato | 1993-11-23 |
| D338911 | Printing head for printer | Toshihiko Ujita, Kenjiro Watanabe, Koji Yamakawa, Kayomi Sato | 1993-08-31 |
| D338489 | Printing head for printer | Toshihiko Ujita, Kenjiro Watanabe, Koji Yamakawa, Kayomi Sato | 1993-08-17 |
| 5071727 | Positively chargeable electrostatic toner containing organic metal complex or organic nitrogen, phosphino or metal compound | Takeshi Ikeda, Eiichi Imai, Hiroshi Fukumoto, Katsuhiko Tanaka, Koshi Suematsu +1 more | 1991-12-10 |
| 5034301 | Recording medium | Masashi Miyagawa, Norio Ohkuma | 1991-07-23 |
| 5028579 | Image forming method | Toshiharu Inui | 1991-07-02 |
| 4992351 | Recording medium having a specified photopolymerization initiator | Norio Ohkuma, Masashi Miyagawa, Tadashi Yamamoto | 1991-02-12 |
| 4977058 | Recording medium comprising a recording layer changing its transferability when provided with light and heat | Masashi Miyagawa, Norio Ohkuma | 1990-12-11 |
| 4973542 | Transfer recording medium | Masashi Miyagawa, Norio Ohkuma | 1990-11-27 |
| 4963895 | Illumination/recording system with movable fluorescent substances | Toshiaki Harada, Tadashi Yamamoto | 1990-10-16 |
| 4952478 | Transfer recording medium comprising a layer changing its transferability when provided with light and heat | Masashi Miyagawa, Norio Ohkuma | 1990-08-28 |
| 4948694 | Recording medium comprising photopolymers | Norio Ohkuma, Masashi Miyagawa, Hiroshi Hayashi, Tooru Minami, Hiroharu Oobayashi | 1990-08-14 |
| 4899175 | Recording system with illumination means utilizing a plurality of fluorescent substances | Toshiaki Harada, Tadashi Yamamoto | 1990-02-06 |
| 4894666 | Image recording method and apparatus | Noriyoshi Ishikawa, Toshiaki Harada, Toshiharu Inui, Tadashi Yamamoto, Kazuhiro Nakajima | 1990-01-16 |
| 4858062 | Charging device | Naoji Hayakawa, Kenji Nakamura, Fumitaka Kan, Yasuo Kozato, Isao Hakamada | 1989-08-15 |
| 4773738 | Optical modulation device using ferroelectric liquid crystal and AC and DC driving voltages | Naoji Hayakawa, Fumitaka Kan, Toshiaki Majima, Ichiro Nomura, Mitsuru Yamamoto +1 more | 1988-09-27 |
| 4675699 | Image-recording apparatus | Fumitaka Kan, Naoji Hayakawa, Toshiaki Majima, Mitsuru Yamamoto, Hidetoshi Suzuki +1 more | 1987-06-23 |
| 4666814 | Method for developing electrostatic latent image with non-magnetic toner | Koshi Suematsu, Motoo Urawa, Takeshi Ikeda | 1987-05-19 |
| 4663263 | Toner, charge-imparting material and composition containing substituted guanidine compound for electrophotography | Takeshi Ikeda, Eiichi Imai, Hiroshi Fukumoto, Katsuhiko Tanaka, Koshi Suematsu +1 more | 1987-05-05 |
| 4618556 | Developer and developing method | — | 1986-10-21 |