Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7715760 | Charging device, and process cartridge and image forming apparatus using the same | Naomi Sugimoto, Yukimichi Someya, Sadayuki Iwai, Eiichi Ohta | 2010-05-11 |
| 7198857 | Polyester film for forming | Shinya Higashiura, Katsuya Ito, Masatoshi Tanabe, Shinji Fujita, Yasushi Sasaki | 2007-04-03 |
| 6649260 | Optical coating film | Naonobu Oda, Akira Ito | 2003-11-18 |
| 6323308 | Aliphatic polyester film | Hisato Kobayashi, Naonobu Oda, Keiji Mori, Tadashi Okudaira, Shigeto Yoshida | 2001-11-27 |
| 5422175 | Void-containing composite film of polyester type | Katsuya Ito, Atsushi Taga, Yasushi Sasaki, Toshitake Suzuki, Akito Hamano | 1995-06-06 |
| 5084334 | Void-containing polyester-type film, and its laminate | Akito Hamano, Katsuya Ito, Atsushi Taga, Katsuaki Kuze, Tadashi Okudaira +1 more | 1992-01-28 |