Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9091912 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Harunobu Ogaki, Yuki Yamamoto | 2015-07-28 |
| 9034545 | Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Harunobu Ogaki, Yuki Yamamoto | 2015-05-19 |
| 8927184 | Method of producing electrophotographic photosensitive member | Michiyo Sekiya, Kunihiko Sekido | 2015-01-06 |
| 8795936 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Michiyo Sekiya, Shinji Takagi, Hideaki Nagasaka | 2014-08-05 |
| 8546050 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Michiyo Sekiya, Hideaki Nagasaka, Shinji Takagi | 2013-10-01 |
| 8524431 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Hideaki Nagasaka, Kunihiko Sekido, Shinji Takagi, Michiyo Sekiya | 2013-09-03 |
| 8507162 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Hideaki Nagasaka, Shinji Takagi | 2013-08-13 |
| 8470504 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Michiyo Sekiya, Hideaki Nagasaka, Kunihiko Sekido, Shinji Takagi | 2013-06-25 |
| 8465889 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Hideaki Nagasaka, Michiyo Sekiya, Shinji Takagi | 2013-06-18 |
| 8274435 | Antenna apparatus | — | 2012-09-25 |
| 7775474 | Wire winding apparatus | — | 2010-08-17 |
| 5707540 | Fiber treatment chemical and fiber treatment composition | Seijiro Sato | 1998-01-13 |
| 5482645 | Non-ozone depleting cleaning composition for degreasing and defluxing purposes | BJORN BERGENSTAHL, Eric Van de Hoek | 1996-01-09 |
| 5137931 | Foamable phenolic resin composition and process for preparation thereof | Syuji Okumura, Shigetoshi Awano, Masahiro Kinoshita, Kazuo Tamemoto, Takumi Ishiwaka +1 more | 1992-08-11 |
| 5008297 | Method for producing phenol resin foams and method of making foamed laminates | Munehiko Kato, Takumi Ishiwaka, Katsuto Seki, Takashi Ohashi | 1991-04-16 |