Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9633770 | Method for improving coercive force of epsilon-type iron oxide, and epsilon-type iron oxide | Shin-ichi Ohkoshi, Shunsuke Sakurai, Asuka Namai, Sayaka Umeda, Hiroshi Hachiya +1 more | 2017-04-25 |
| 9458026 | Method for improving coercive force of epsilon-type iron oxide, and epsilon-type iron oxide | Shin-ichi Ohkoshi, Shunsuke Sakurai, Asuka Namai, Sayaka Umeda, Hiroshi Hachiya +1 more | 2016-10-04 |
| 9097213 | Carburetor | Yasushi Ono | 2015-08-04 |
| 9041371 | Switching regulator | — | 2015-05-26 |
| 8978379 | Electronically controlled actuator | — | 2015-03-17 |
| 8779748 | Error amplification circuit, control method for error amplification circuit, and switching regulator employing error amplification circuit | — | 2014-07-15 |
| 8207715 | Soft-start circuit and power supply circuit including same | — | 2012-06-26 |
| 7226152 | Image forming apparatus | Masaki Matsushita, Hirokazu Nakamura, Naozumi Ueno, Hisashi Yoshimura, Hiroshi Ishii | 2007-06-05 |
| 7156509 | Image forming apparatus | Masaki Matsushita, Hirokazu Nakamura, Naozumi Ueno, Hisashi Yoshimura, Akio Matsumoto +1 more | 2007-01-02 |
| 6890057 | Inkjet printer waste ink storage apparatus | Hisashi Yoshimura, Naozumi Ueno, Tomomi Tanaka, Masaki Matsushita, Hirokazu Nakamura | 2005-05-10 |
| 6484850 | Elevator control panel device | Kiyoshi Kobayashi | 2002-11-26 |
| 6460840 | Helical compression spring for a vehicle suspension | Toshiyuki Imaizumi, Toshiho Aoyama, Shuji Kamiya, Koichi Irie | 2002-10-08 |
| 6328290 | Helical compression spring for a vehicle suspension | Toshiyuki Imaizumi, Toshiho Aoyama, Shuji Kamiya, Koichi Irie | 2001-12-11 |
| 6199882 | Vehicle wheel suspension | Toshiyuki Imaizumi, Toshiho Aoyama, Shuji Kamiya, Koichi Irie | 2001-03-13 |
| 6192976 | Heat exchanger, refrigeration system, air conditioner, and method and apparatus for fabricating heat exchanger | Takayuki Yoshida, Tsuneo Yumikura, Michimasa Takeshita, Atsushi Motizuki, Yuji Sueto +1 more | 2001-02-27 |
| 5964284 | Heat exchanger for air conditioner and method of fabricating the heat exchanger | Kaoru Ikejima, Tsuneo Yumikura, Michimasa Takeshita, Takayuki Yoshida | 1999-10-12 |
| 5822854 | Method of fabricating a heat exchanger for an air conditioner | Kaoru Ikejima, Tsuneo Yumikura, Michimasa Takeshita, Takayuki Yoshida | 1998-10-20 |
| 5806585 | Heat exchanger, refrigeration system, air conditioner, and method and apparatus for fabricating heat exchanger | Takayuki Yoshida, Tsuneo Yumikura, Michimasa Takeshita, Atsushi Motizuki, Yuji Sueto +1 more | 1998-09-15 |
| 5769157 | Heat exchanger and method of fabricating the heat exchanger | Kaoru Ikejima, Tsuneo Yumikura, Michimasa Takeshita, Takayuki Yoshida | 1998-06-23 |
| 5706887 | Air conditioner and heat exchanger used therefor | Michimasa Takeshita, Takayuki Yoshida, Yoshiaki Tanimura, Hitoshi Iijima, Tsuneo Yumikura | 1998-01-13 |
| 5704421 | Air conditioner and heat exchanger used therefor | Michimasa Takeshita, Takayuki Yoshida, Yoshiaki Tanimura, Hitoshi Iijima, Tsuneo Yumikura | 1998-01-06 |
| 5647431 | Air conditioner and heat exchanger used therefor | Michimasa Takeshita, Takayuki Yoshida, Yoshiaki Tanimura, Hitoshi Iijima, Tsuneo Yumikura | 1997-07-15 |