Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7831170 | Toner cartridge and image forming apparatus | — | 2010-11-09 |
| 7754318 | Water-soluble film | Shuichi Kitamura, Tomoyoshi Mizutani | 2010-07-13 |
| 7601475 | Carrier and developing agent for electrophotography | Takeshi Katoh, Toshihisa Ishida, Yoshinori Urata, Kazuya Korematu, Takeshi Takayama | 2009-10-13 |
| 7067575 | Water-soluble film of polyvinyl alcohol | Syuichi Kitamura, Tomoyoshi Mizutani, Hideki Oono | 2006-06-27 |
| 6941085 | Transfer member cleaning method and image forming apparatus | Nobuhiko Nakano, Shigeyuki Wakada | 2005-09-06 |
| 6842529 | Speaker | Satoshi Koura, Takashi Suzuki, Hiroyuki Takewa, Mitsukazu Kuze | 2005-01-11 |
| 6627371 | Apparatus and method for forming image | Nobuhiko Nakano, Shigeyuki Wakada, Rikiya Matsuo | 2003-09-30 |
| 6305491 | Speaker | Mikio Iwasa, Hiroyuki Takewa, Kazue Sato | 2001-10-23 |
| 6212339 | Image forming apparatus with discharging exposure after shutdown | Katsushi Inoue, Keizo Kitamura, Tomoko Mamemoto | 2001-04-03 |
| 6158559 | Bearing device of piston rod | Takashi Asa, Kiyomi Morino, Masayuki Kohama, Hideaki Shinyashiki | 2000-12-12 |
| 4927998 | Apparatus for cooking by electric heating including means for providing intermittent temperature control thereof | Haruhisa Tamura, Takahiko Yamasaki | 1990-05-22 |
| 4449702 | Full extension locking device for damper | — | 1984-05-22 |
| 4353432 | Electro-dynamic speaker | Hiroyuki Takewa, Hiroshi Yamamoto | 1982-10-12 |
| 4211898 | Headphone with two resonant peaks for simulating loudspeaker reproduction | Nobuhisa Atoji, Takashi Matsumoto, Shoichi Kusumoto, Kazue Sato | 1980-07-08 |