Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11753312 | Water quality management apparatus and method for aquaculture pond | Masaru Oshiro, Toshitaka Fukuda, Tomoyuki Endo, Yusuke FUJII, Koichi Imakubo | 2023-09-12 |
| 6728686 | Electronic money holding device and electronic money automatic payment method | Kazuhiro Kawashima | 2004-04-27 |
| 6502078 | Electronic money holding device and electronic money automatic payment method | Kazuhiro Kawashima | 2002-12-31 |
| 6058382 | Electronic money holding device utilizing an automatic payment method | Kazuhiro Kawashima | 2000-05-02 |
| 5315361 | Printer using electrostatic process including multiple sheet discharge receivers with a pivotal guide and a full tray detector | Shigeru Sawada, Jun Tsujimoto, MASAKO YOKOYAMA | 1994-05-24 |
| 5141222 | Process including multiple sheet discharge printer using electrophotographic receivers with a pivotal sorter guide | Shigeru Sawada, Jun Tsujimoto, MASAKO YOKOYAMA | 1992-08-25 |
| 5104238 | Impact resistive linear guide apparatus | — | 1992-04-14 |
| 5083170 | Electrophotographic recording apparatus | Shigeru Sawada, Mitsuaki Maruyama, Kenji Sawada, Hitoshi Nakagawa, Jun Tsujimoto +4 more | 1992-01-21 |
| 4441765 | Track guide bearing | Sotoji Nakagawa, Nobuyuki Osawa | 1984-04-10 |