Issued Patents All Time
Showing 1–25 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10996588 | Powder transport apparatus | Masanori Kato, Shinichi Kuramoto, Yoshifumi Ozaki, Tomoyuki Yoshii, Yoshitaka Nakajima +2 more | 2021-05-04 |
| 9996036 | Image forming apparatus capable of reducing image banding | Yasutomo Ishii, Yu Tsuda | 2018-06-12 |
| 9733590 | Developing device and image forming apparatus including the same | Shinichi Kuramoto, Yoshitaka Nakajima, Ryota Tomishi | 2017-08-15 |
| 9423721 | Developing device, visible-image-forming device, and image forming apparatus | Shinichi Kuramoto, Yoshitaka Nakajima, Ryota Tomishi, Shigeru Inaba | 2016-08-23 |
| 9377719 | Developing device and image forming apparatus | Shigeru Inaba, Yoshitaka Nakajima, Shinji Okuyama | 2016-06-28 |
| 9176422 | Developer collecting device and image forming apparatus | — | 2015-11-03 |
| 9141032 | Developing device and image forming apparatus | Shigeru Inaba, Shinji Okuyama, Norihiro TAMAZAWA | 2015-09-22 |
| 8145080 | Image forming apparatus | Makoto Kanno | 2012-03-27 |
| 7798136 | Ignition coil for an internal combustion engine | Takashi Idogawa, Takeshi Shimizu | 2010-09-21 |
| 7793632 | Ignition apparatus for an internal combustion engine | Takashi Idogawa, Takeshi Shimizu | 2010-09-14 |
| 7574998 | Ignition apparatus for an internal combustion engine | Takashi Idogawa, Takeshi Shimizu | 2009-08-18 |
| 7559319 | Ignition coil apparatus for an internal combustion engine | Takashi Idogawa, Takeshi Shimizu | 2009-07-14 |
| 7412177 | Image forming apparatus | Shintaro Kaneko, Ryuji Hattori | 2008-08-12 |
| 7312681 | Internal combustion engine ignition apparatus and method for manufacturing a secondary coil thereof | Masayoshi Maeda, Takeshi Shimizu | 2007-12-25 |
| 7213588 | Ignition device for internal combustion engine | Masahiro Iwa | 2007-05-08 |
| 7190249 | Ignition coil | Toshio Maekawa | 2007-03-13 |
| 7167669 | Image forming apparatus | Junichi Hama, Tomio Onuki, Ryuji Hattori, Yoshiyuki Takashima, Teruaki Koizumi +1 more | 2007-01-23 |
| 7132916 | Ignition coil | Toshio Maekawa | 2006-11-07 |
| 7004155 | Ignition apparatus for internal combustion engine | Takeshi Shimizu, Mitsuru Koiwa | 2006-02-28 |
| 6575151 | Ignition coil for internal combustion engine | Mitsuru Koiwa | 2003-06-10 |
| 6340303 | High tension connection portion structure of an ingition device for an internal combustion engine | Kazuya Hamada, Shingo Morita, Mitsuru Koiwa | 2002-01-22 |
| 6107790 | Ignition coil for internal combustion engine | Nobuyuki Sawazaki, Takafumi Narishige, Mitsuru Koiwa, Yutaka Ohashi | 2000-08-22 |
| 5915151 | Rotary-type developing unit | Shintaro Kaneko, Ryuji Hattori, Tetsuji Okamoto, Hirohisa Kohno | 1999-06-22 |
| 5827079 | Electric connection member, ignition apparatus for internal combustion engine and manufacturing method thereof | — | 1998-10-27 |
| 5734311 | Ignition apparatus for internal-combustion engine | — | 1998-03-31 |