Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8524431 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Hideaki Nagasaka, Kunihiko Sekido, Akihiro Maruyama, Michiyo Sekiya | 2013-09-03 |
| 8507162 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Akihiro Maruyama, Kunihiko Sekido, Hideaki Nagasaka | 2013-08-13 |
| 8470504 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Michiyo Sekiya, Hideaki Nagasaka, Kunihiko Sekido, Akihiro Maruyama | 2013-06-25 |
| 8465889 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Hideaki Nagasaka, Michiyo Sekiya, Akihiro Maruyama | 2013-06-18 |
| 8343699 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hideaki Nagasaka, Kunihiko Sekido, Michiyo Sekiya | 2013-01-01 |
| 7825127 | Method for treating cancer | Yoshikazu Ohta | 2010-11-02 |
| 7780257 | Recording apparatus and electronic apparatus | Masayuki Hongo, Hiroyuki Tamaki | 2010-08-24 |
| 7731825 | Manufacturing apparatus of magnetoresistance elements | Toru Kitada, Naoki Watanabe, Shinji Furukawa | 2010-06-08 |
| 7732113 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and process for producing electrophotographic photosensitive member | Kazushige Nakamura, Hidetoshi Hirano, Hirotoshi Uesugi, Hirofumi Kumoi, Yukihiro Abe +2 more | 2010-06-08 |
| 7175249 | Recording apparatus and electronic apparatus | Masayuki Hongo, Hiroyuki Tamaki | 2007-02-13 |
| 6988783 | Liquid detection method, liquid detection apparatus and printing apparatus using the liquid detection | Tetsuhito Ikeda, Toshiharu Inui, Kentaro Yano, Masao Kato | 2006-01-24 |
| 6923522 | Recording apparatus and recording method | Hideki Tanaka, Yasuyuki Tamura, Hiroto Takahashi, Makoto Shioya, Masayoshi Tachihara +2 more | 2005-08-02 |
| 6719400 | Recovery processing method and unit of ink jet printing apparatus | Toshiharu Inui, Kentaro Yano, Tetsuhito Ikeda, Masao Kato, Katsuhiko Takahashi +2 more | 2004-04-13 |
| 6669335 | Ink-jet printing head and ink-jet printing apparatus | Sohei Tanaka, Takeshi Ono, Masafumi Wataya, Noriyuki Suzuki, Masaaki Okada +3 more | 2003-12-30 |
| 6652053 | Substrate for ink-jet printing head, ink-jet printing head, ink-jet cartridge, ink-jet printing apparatus, and method for detecting ink in ink-jet printing head | Yoshiyuki Imanaka, Ichiro Saito, Toshiharu Inui, Kentaro Yano, Tetsuhito Ikeda +6 more | 2003-11-25 |
| 6631970 | Ink jet recording apparatus and ink jet print head | Tomonori Sato, Kentaro Yano, Tetsuhito Ikeda | 2003-10-14 |
| 6585363 | Ink-jet printing apparatus and printing method | Hideki Tanaka, Hiroyuki Hyotani, Takehiko Kasamatsu | 2003-07-01 |
| 6557984 | Ink-jet printing head and ink-jet printing apparatus | Sohei Tanaka, Takeshi Ono, Masafumi Wataya, Noriyuki Suzuki, Masaaki Okada +3 more | 2003-05-06 |
| 6547358 | Ink jet printing apparatus and ejection data forming method | Hideki Tanaka, Hiroyuki Hyotani, Takehiko Kasamatsu | 2003-04-15 |
| 6513906 | Recording apparatus and recording method | Hideki Tanaka, Yasuyuki Tamura, Hiroto Takahashi, Makoto Shioya, Masayoshi Tachihara +2 more | 2003-02-04 |
| 6443546 | Printing apparatus and control method that includes an optical detector for detecting the presence or absence of an ink tank and ink therein | — | 2002-09-03 |
| 6361136 | Detection system, liquid-jet printing apparatus and liquid container | Itaru Watanabe, Soichi Hiramatsu, Osamu Sato, Kenta Udagawa | 2002-03-26 |
| 6215971 | Electrophotographic image-forming method, electrophotographic image-forming apparatus, and process cartridge | Harumi Sakoh, Haruyuki Tsuji | 2001-04-10 |
| 6203133 | Apparatus and method for enhancing image resolution using multi-level data generated by halftone processor | Hideki Tanaka, Hiroyuki Hyotani | 2001-03-20 |
| 6123404 | Recording apparatus for counting image recording drive data | Hideki Tanaka, Hiroyuki Hyotani, Takehiko Kasamatsu | 2000-09-26 |