Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5572307 | Press mechanism used with a fixing device for an image forming apparatus | Yoshiya Tomatsu | 1996-11-05 |
| 5472244 | Plastic coupling for plastic tubing | Yasukatsu Nishikata, Hidenori Maeba | 1995-12-05 |
| 5089838 | Pressure developing device | Takemi Yamamoto, Hiroshi Kawahara, Yumio Matsumoto, Shigeyuki Hayashi, Kiyoharu Hayakawa +3 more | 1992-02-18 |
| 4945374 | Pressure developing device | Takemi Yamamoto, Hiroshi Kawahara, Yumio Matsumoto, Shigeyuki Hayashi, Kiyoharu Hayakawa +3 more | 1990-07-31 |
| 4902206 | Bellows pump | Jisaburo Naito, Hiroyuki Horiki, Tutomu Kawashima | 1990-02-20 |