Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311582 | Method for producing expanded particles | Masahide Ebisui | 2025-05-27 |
| 11498247 | Foaming particle manufacturing device using polyolefin-based resin particle and method for manufacturing said foaming particle | — | 2022-11-15 |
| 11448317 | Side rail | Hiroshi Shimizu, Yuichiro Takezawa | 2022-09-20 |
| 6423405 | Surface reformation method of high polymer material | Tsutomu Shibuya, Kaoru Katayama, Mitugu Shirai, Shinichi Kazui, Hideaki Sasaki | 2002-07-23 |
| 6410881 | Process for manufacturing electronic circuits | Kaoru Katayama, Hiroshi Fukuda, Shinichi Kazui, Toshihiko Ohta, Mitsugu Shirai +1 more | 2002-06-25 |
| 6269998 | Process for manufacturing electronic circuits | Kaoru Katayama, Hiroshi Fukuda, Shinichi Kazui, Toshihiko Ohta, Mitsugu Shirai +1 more | 2001-08-07 |
| 6161748 | Process for manufacturing electronic circuits | Kaoru Katayama, Hiroshi Fukuda, Shinichi Kazui, Toshihiko Ohta, Mitsugu Shirai +1 more | 2000-12-19 |
| 6133135 | Process for manufacturing electronic circuits | Kaoru Katayama, Hiroshi Fukuda, Shinichi Kazui, Toshihiko Ohta, Mitsugu Shirai +1 more | 2000-10-17 |
| 6017424 | Laser assisted surface reformation method of high polymer material | Tsutomu Shibuya, Kaoru Katayama, Mitugu Shirai, Shinichi Kazui, Hideaki Sasaki | 2000-01-25 |
| 5940728 | Process for manufacturing electronic circuits | Kaoru Katayama, Hiroshi Fukuda, Shinichi Kazui, Toshihiko Ohta, Mitsugu Shirai +1 more | 1999-08-17 |
| 5865365 | Method of fabricating an electronic circuit device | Toru Nishikawa, Ryohei Satoh, Masahide Hara, Tetsuya Hayashida, Mitugu Shirai +4 more | 1999-02-02 |
| 5801350 | Surface reformation method of high polymer material | Tsutomu Shibuya, Kaoru Katayama, Mitugu Shirai, Shinichi Kazui, Hideaki Sasaki | 1998-09-01 |
| 5499668 | Process for making electronic device | Kaoru Katayama, Shinichi Kazui, Hiroshi Fukuda, Toshihiko Ohta | 1996-03-19 |
| 5262831 | Image forming apparatus having sort/stack mode inquiring and selecting functions | — | 1993-11-16 |
| 5206695 | Image forming apparatus having sorting function | — | 1993-04-27 |
| 5187534 | Stapling device and image forming apparatus having a stapling device | Shuzo Tsubo | 1993-02-16 |
| 5142326 | Image forming apparatus eliminating image of document cover | Koji Kubo | 1992-08-25 |
| 5126792 | Image forming apparatus having erasing means for erasing an electrical charge in a non-image region of an image bearing member | — | 1992-06-30 |
| 5117258 | Apparatus with copying fee based on size and number of sheets used | — | 1992-05-26 |
| 4990956 | Image forming apparatus | — | 1991-02-05 |
| 4970556 | Auto-illuminating controller and image forming apparatus using the same | — | 1990-11-13 |
| 4953844 | Paper supply device with a function of automatically sensing the life of feed rollers | Yuzi Uchigasaki | 1990-09-04 |
| 4909207 | Cleaning system for fuel injectors | Toshio Takano, Keiichi Shindo, Masamitsu Higuchi, Atsushi Fujimoto, Hidehiro Nishizawa | 1990-03-20 |
| 4903072 | Image forming apparatus having cooling efficiency switching control function | — | 1990-02-20 |
| 4662454 | Foam extinguishing system | Jun Uchiyama | 1987-05-05 |