Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8768190 | Developing device | — | 2014-07-01 |
| 7977559 | Tone generation system controlling the music system | Shuzo Karakawa | 2011-07-12 |
| 7864093 | Pulse phase difference detecting circuit and A/D converter using the same | — | 2011-01-04 |
| 7847174 | Tone generation system controlling the music system | Shuzo Karakawa | 2010-12-07 |
| 7592531 | Tone generation system | Shuzo Karakawa, Eiichiro Aoki | 2009-09-22 |
| 7476712 | Film and process for producing the same | Hideaki Tanaka, Masahiro Yamazaki, Tomohisa Hasegawa | 2009-01-13 |
| 6963700 | Image forming apparatus with variable speed charging member | Yasushi Shimizu, Junichi Kato, Hiroshi Satoh, Masahiro Yoshida | 2005-11-08 |
| 6907211 | Image forming apparatus | Masahiro Yoshida, Junichi Kato, Yasushi Shimizu, Hiroshi Sato | 2005-06-14 |
| 6801738 | Image forming apparatus having variable/controlled timing for successive feeding of recording material at image transfer position | Junichi Kato, Yasushi Shimizu, Hiroshi Satoh, Masahiro Yoshida | 2004-10-05 |
| 6778791 | Image forming apparatus having charging rotatable member | Yasushi Shimizu, Junichi Kato, Hiroshi Satoh, Masahiro Yoshida | 2004-08-17 |
| 6746762 | Film selectively permeable to carbon dioxide gas and food packaging film comprising the same | Tomonori Hosoda, Toru Saika, Katsumi Kawaguchi | 2004-06-08 |
| 6539190 | Process cartridge and image forming apparatus comprising charging means including a charge member and electroconductive particles | Junichi Kato, Yasushi Shimizu, Hiroshi Satoh, Masahiro Yoshida | 2003-03-25 |
| 6434349 | Image forming apparatus | Yasushi Shimizu, Junichi Kato, Hiroshi Satoh, Masahiro Yoshida | 2002-08-13 |
| 5897960 | Laminate and production process thereof | Hideaki Tanaka, Tomoaki Sato, Tomohisa Hasegawa | 1999-04-27 |
| 5801360 | Image fixing apparatus | Yasumasa Ohtsuka, Kouichi Okuda, Tatsunori Ishiyama, Akira Hayakawa, Daizo Fukuzawa +1 more | 1998-09-01 |
| 5709951 | Composite deposited film and production process thereof | Tomoaki Sato, Hideaki Tanaka, Tomohisa Hasegawa | 1998-01-20 |
| 5621510 | Image heating apparatus with driving roller having low thermal expansion coefficient outer layer | Kouichi Okuda, Tatsunori Ishiyama, Akira Hayakawa, Takashi Shibuya | 1997-04-15 |
| 5621026 | Gas barrier film and production process thereof | Hideaki Tanaka, Tomoaki Sato, Tomohisa Hasegawa | 1997-04-15 |
| 5574096 | Gas barrier film and production process thereof | Hideaki Tanaka, Kazuhiko Hirose | 1996-11-12 |
| 5560988 | Gas barrier laminate and production process thereof | Hideaki Tanaka, Tomoaki Sato, Tomohisa Hasegawa, Kazuhiko Hirose | 1996-10-01 |
| 5552479 | Gas barrier film and production process thereof | Hideaki Tanaka, Kazuhiko Hirose | 1996-09-03 |
| 5498662 | Gas barrier film and production process thereof | Hideaki Tanaka, Tomoaki Sato, Tomohisa Hasegawa | 1996-03-12 |
| 4500645 | Hydrocracking catalyst composition and method of making same | Jun Fuchikami, Hidehiro Higashi, Takashi Inoue | 1985-02-19 |