Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12201946 | Fluid separation element | Shinya Shimoda, Akira Katayama | 2025-01-21 |
| 11097224 | Fluid separating element and telescoping prevention plate | Shinya Shimoda, Akira Katayama | 2021-08-24 |
| 6078676 | Speaker system with a three-dimensional spiral sound passage | — | 2000-06-20 |
| 5824969 | Speaker system with a three-dimensional spiral sound passage | — | 1998-10-20 |
| 5802442 | Intermediate transfer member, electrophotography apparatus using the same, and method for manufacturing the same | Takuya Konno, Hitoshi Kakii, Mihoko Oda | 1998-09-01 |
| 5742880 | Charging member, and process cartridge and electrophotographic apparatus having the charging member | Takashi Yamashita, Yoshihiro Hirai | 1998-04-21 |
| 5625858 | Contact charging member, process for producing same and electrophotographic apparatus using same | Yoshihiro Hirai, Takashi Yamashita | 1997-04-29 |
| 4308406 | Method for preventing the discoloration of dihydric phenols | Haruhisa Harada, Hiroshi Maki, Shigeru Sasaki | 1981-12-29 |