Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11884788 | Reinforcing fiber, method for manufacturing same, and molded body using same | Toru Asada, Daisuke Koda, Shuhei Yorimitsu, Hiroyuki Kawai | 2024-01-30 |
| 11053610 | Readily fibrillative polyvinyl alcohol fiber and method for manufacturing same | Masami Kawakami, Toshiaki Kobayashi, Hiroyuki Kawai, Tomohiro Hayakawa | 2021-07-06 |
| 10723661 | Drying shrinkage reduction method of cement-based hardened body | Hiromi Fujiwara, Yoshikatsu Sasaki | 2020-07-28 |
| 8262387 | Atmosphere heat treatment apparatus and method of operating the same | Tomihiko Nishiyama, Hiroyoshi Suzuki, Kouji Abe, Toshiaki Ohashi, Takashi Sakurai | 2012-09-11 |
| 6404508 | Gradation reproduction | Ken Ota | 2002-06-11 |
| 6285800 | Apparatus and method for processing image | Tsutomu Yamazaki, Naoki Toyoshi, Kentaro Katori | 2001-09-04 |
| 6236465 | Gradation reproduction | Ken Ota | 2001-05-22 |
| 6172767 | Multi-color image forming apparatus and multi-color image forming method | — | 2001-01-09 |
| 6115577 | Transfer device | — | 2000-09-05 |
| 5920747 | Image forming apparatus for stabilizing the density of dot images | Yasuyuki Inada | 1999-07-06 |
| 5873011 | Image forming apparatus | Yasuyuki Inada | 1999-02-16 |
| 5868871 | Method and apparatus for carburizing, quenching and tempering | Keiji Yokose, Fumitaka Abukawa, Hidetoshi Juryosawa, Jun Takahashi, Hideki Inoue | 1999-02-09 |
| 5774762 | Image forming apparatus for optimizing toner transfer efficiency | Yasuyuki Inada, Tetsuya Sakai | 1998-06-30 |
| 5600419 | Developing device having biasing circuit for charge erasing member | Tamotsu Sakuraba | 1997-02-04 |
| 5592265 | Image forming apparatus with residual toner removal | Tamotsu Sakuraba | 1997-01-07 |
| 5568236 | One-component developing device with system for removing surplus toner | Hiroshi Toda, Akihiro Kawasaki, Masami Eda, Tamotsu Sakuraba | 1996-10-22 |
| 5243390 | Device for conveying developer in a developing device | Hirofumi Hasegawa, Naoki Toyoshi, Tateki Oka, Hiroshi Goto, Narutaka Yoshida | 1993-09-07 |