Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10839781 | Electronic musical instrument and electronic musical instrument system | Shinichi Ohta | 2020-11-17 |
| 10614727 | Musical instrument practice system, playing practice implementation device, content reproduction system, and content reproduction device | Yasuhiko Asahi, Yuji Takahashi, Kenichi Shiba, Jun Usui, Kouki Hayafuchi | 2020-04-07 |
| 10191404 | Charging member, process cartridge, and electrophotographic apparatus | Masataka Kodama, Noriko Suzumura | 2019-01-29 |
| 10078286 | Charging member, process cartridge and electrophotographic apparatus | Kineo Takeno, Hiroshi Mayuzumi, Masataka Kodama, Noriyuki Doi, Noriko Suzumura +1 more | 2018-09-18 |
| 10036971 | Charging member, process cartridge, and electrophotographic image forming apparatus | Noriyuki Doi, Kineo Takeno, Noriko Suzumura, Hiroshi Mayuzumi, Masataka Kodama +1 more | 2018-07-31 |
| 9897931 | Electroconductive member for electrophotography, process cartridge, and electrophotographic image-forming apparatus | Satoru Nishioka, Kazuhiro Yamauchi, Hiroki Masu, Noriko Suzumura | 2018-02-20 |
| 9740133 | Charging member, process cartridge and electrophotographic image forming apparatus | Kazuhiro Yamauchi, Satoru Nishioka, Hiroki Masu, Noriko Suzumura | 2017-08-22 |
| 9576564 | Performance recording apparatus | Taro Kawabata, Fukutaro Okuyama | 2017-02-21 |
| 9442408 | Member for electrophotography, method for producing the same, and image forming apparatus | Kazuhiro Yamauchi, Satoru Nishioka, Hiroki Masu, Noriko Suzumura | 2016-09-13 |
| 9442451 | Electroconductive member for electrophotography, process cartridge, and electrophotographic image-forming apparatus | Kazuhiro Yamauchi, Satoru Nishioka, Hiroki Masu, Noriko Suzumura | 2016-09-13 |
| 9360789 | Member for electrophotography, process cartridge and image forming apparatus | Hiroki Masu, Kazuhiro Yamauchi, Satoru Nishioka, Noriko Suzumura | 2016-06-07 |
| 9268243 | Electrophotographic member, process cartridge, and electrophotographic apparatus | Takehiko Aoyama, Tomohito Taniguchi | 2016-02-23 |
| 8634275 | Audio processing device | Kazunobu Kondo, Hideki Kemmochi | 2014-01-21 |
| 8064808 | Developing roller, and electrophotographic process cartridge and electrophotographic image forming apparatus comprising the developing roller | Genya Anan | 2011-11-22 |
| 7947339 | Process for producing electrophotographic roller member | Hidenori Satoh, Genya Anan | 2011-05-24 |
| 7747204 | Developing roller, developing assembly, process cartridge and electrophotographic image forming apparatus | Hidenori Satoh, Genya Anan | 2010-06-29 |
| 7627276 | Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus | Genya Anan, Hidenori Satoh | 2009-12-01 |
| 6278385 | Vector quantizer and vector quantization method | Kazunobu Kondo, Eiko Kobayashi | 2001-08-21 |
| D436980 | Projector | Katsuyuki Takeuchi | 2001-01-30 |
| D381321 | Electronic connecting device | Osamu Suzuki, Hirofumi Toriyama, Kouji Yasui, Toru Ichihashi | 1997-07-22 |
| 5598624 | Method of connecting an electric connector with false connection preventing mechanism | Keiichi Ito, Hirotaka Noda, Masao Shibata, Masaru Fukuda, Motoyoshi Suzuki +1 more | 1997-02-04 |
| D375515 | Music selection device | Masaru Takeda, Kazuo Miyashita, Yaichi Moriya | 1996-11-12 |
| 5527186 | Electric connector with false connection preventing mechanism and method of connecting thereof | Keiichi Ito, Hirotaka Noda, Masao Shibata, Masaru Fukuda, Motoyoshi Suzuki +1 more | 1996-06-18 |
| D354277 | Docking station for a notebook computer | Hiroyuki Kuzumoto, Masashi Odagiri, Motoharu Yamaguchi, Takayuki Yoshimoto | 1995-01-10 |
| D353584 | Portable personal computer | Yasuharu Sato, Takaya Suzuki, Katsuhiko Kushi | 1994-12-20 |