Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292710 | Image forming apparatus that includes an eraser drive circuit | — | 2025-05-06 |
| 10133225 | Image forming apparatus | — | 2018-11-20 |
| 9471002 | Power supply unit for applying a voltage to a developer carrier, image forming apparatus, and method for applying voltage | Masanori Okada | 2016-10-18 |
| 9358718 | Shielding structure of a through-hole formed in a wall of a plastic hollow product | Takashi Tamura | 2016-06-07 |
| 9285702 | Image forming apparatus and image forming method | — | 2016-03-15 |
| 8953963 | Developing device, image forming apparatus, and method for controlling developing device | Tadahiro Kiyosumi, Kensuke Fujihara | 2015-02-10 |
| 8929756 | Developing device, image forming apparatus, and method for changing duty ratio | — | 2015-01-06 |
| 7678324 | Method for forming a hollow plastic product | Yasuo Ezaki | 2010-03-16 |
| 7316427 | Hollow plastic product having a connector pipe | Yasuo Ezaki | 2008-01-08 |
| 7203071 | Component mounting circuit board with resin-molded section covering circuit pattern and inner components | — | 2007-04-10 |
| 6776128 | Internal combustion engine | Atsushi Baba, Masahiko Minemi, Tsuneo Endoh, Taizou Kitamura | 2004-08-17 |
| 6629516 | Exhaust port structure of internal combustion engine | Masahiko Minemi, Tsuneo Endoh, Taizou Kitamura, Atsushi Baba | 2003-10-07 |
| 6537484 | Method for manufacturing a multi-layer plastic pipe | Yasuo Ezaki | 2003-03-25 |
| 6319454 | Method and apparatus for manufacturing a hollow plastic product | Yasuo Ezaki | 2001-11-20 |
| 6251332 | Method for manufacturing a multilayer plastic pipe | Yasuo Ezaki | 2001-06-26 |
| 6119731 | Hollow plastic product | Yasuo Ezaki | 2000-09-19 |
| 5851456 | Method for manufacturing a multi-layer plastic product | Tatsuhiko Mukawa, Yasuo Ezaki | 1998-12-22 |
| 5723828 | Hollow plastic product having a sound attenuator | — | 1998-03-03 |
| 5699835 | Multi-layer plastic hollow pipe | Yasuo Ezaki | 1997-12-23 |
| 5653265 | Hollow plastic product | Yasuo Ezaki | 1997-08-05 |
| 5451751 | High-frequency heating apparatus with wave guide switching means and selective power switching means for magnetron | Hitoshi Takimoto, Koji Murakami | 1995-09-19 |
| 5373145 | Cooking apparatus operated by a single operational key that automatically sets a most suitable cooking mode | Sachiko Endo, Koji Murakami, Teruya Tanaka, Kaoru Maekawa | 1994-12-13 |
| 5222015 | Inverter power supply with input power detection means | — | 1993-06-22 |
| 5198174 | Method for producing a hollow plastic product having a radially extending portion | Yasuo Ezaki | 1993-03-30 |
| 5183984 | Cooking apparatus with cooking information display means | — | 1993-02-02 |