Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10634376 | System and method for controlling an HVAC system | Hiroaki KOTAKE, Matthew Smithson | 2020-04-28 |
| 10117155 | Relay device and air conditioning system | Hiroaki KOTAKE, Yoshiaki Koizumi, Naoyuki Hibara | 2018-10-30 |
| 9973998 | Relay device and air conditioning system | Hiroaki KOTAKE, Yoshiaki Koizumi, Naoyuki Hibara | 2018-05-15 |
| 7991317 | Automatic job template generating apparatus and automatic job template generation method | Hiroyuki Kato, Sunao Tabata, Masao Yamaguchi, Takahiro Fuchigami | 2011-08-02 |
| 7982894 | Digital multiple apparatus | Takahiro Fuchigami, Masao Yamaguchi, Sunao Tabata, Hiroyuki Kato | 2011-07-19 |
| 7561839 | Image forming apparatus and image forming method | — | 2009-07-14 |
| 7356291 | Developing unit, image forming apparatus method that supplies inverse transfer preventing agent with inverse polarity | Takao Izumi, Masashi Takahashi | 2008-04-08 |
| 6999196 | Color image forming apparatus | — | 2006-02-14 |
| 6690483 | Color image forming apparatus | — | 2004-02-10 |
| 6292647 | Heating mechanism for use in image forming apparatus | — | 2001-09-18 |
| 5959428 | Starting control unit for a refrigeration machine | Katuhiko Saito, Keitaro Hori, Hidekazu Totsuka | 1999-09-28 |
| 5650697 | Motor unit, motor drive unit, fan unit and method of controlling the motor drive unit | Akihiko Imagi, Yoshio Yoshikuwa, Takuo Akiyama, Norikazu Ishikawa, Tatsunao Hayashida +4 more | 1997-07-22 |
| 5469248 | Image forming apparatus having means for applying a common transfer bias voltage to first and second transfer rollers | Shigeru Fujiwara, Masashi Takahashi | 1995-11-21 |
| 4843424 | Reverse developing image forming apparatus with disturbing means | Goro Oda | 1989-06-27 |
| 4727395 | Reverse developing image forming apparatus with small drum | Goro Oda | 1988-02-23 |
| 4664504 | Image forming apparatus | Goro Oda | 1987-05-12 |
| 4647181 | Electrophotographic method and apparatus using alternating current corona charging | Mitsuaki Kohyama, Toshihiro Kasai, Shigenobu Osawa | 1987-03-03 |
| 4645330 | Electrophotographic device | Mitsuaki Kohyama, Toshihiro Kasai, Takashi Shimazaki | 1987-02-24 |
| 4611901 | Electrophotographic method and apparatus | Mitsuaki Kohyama, Toshihiro Kasai, Shigenobu Osawa | 1986-09-16 |
| 4607934 | Electrophotography using a photosensitive drum with multi-photosensitive layers sensitive to different wave lengths | Mitsuaki Kohyama, Toshihiro Kasai | 1986-08-26 |