Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10832301 | System and method for stamp ordering and thermal carving | Eiji Abe | 2020-11-10 |
| 10029396 | Seal carving apparatus and thermal carving machine | Eiji Abe | 2018-07-24 |
| 9993972 | Seal carving apparatus and seal carving method | Eiji Abe | 2018-06-12 |
| 9878491 | Seal carving apparatus and seal carving method | Eiji Abe | 2018-01-30 |
| 9517648 | Porous stamp assembly, and manufacturing method and apparatus of the same | Eiji Abe | 2016-12-13 |
| D569718 | Clip attachment | Hiroto Nakamura | 2008-05-27 |
| 6652821 | Purificating agent for flue gas and incinerated ash and purificating method using the same | Yasuo Fukutani, Yoshiyuki Futahashi, Yukio Wada, Eiichiro Nakayama, Kikuko Fukutani +4 more | 2003-11-25 |
| 6386427 | One-side welding method for steel structure | Shunji Iwago | 2002-05-14 |
| 4488286 | Signal-pickup cartridge for a rotary recording medium reproducing apparatus | Takashi Saito, Masafumi Mochizuki, Norimasa Arai | 1984-12-11 |
| 4424583 | Pickup cartridge having a ribbed cantilever | — | 1984-01-03 |
| 4410976 | Signal pickup device in a rotary recording medium reproducing apparatus | Osamu Tajima | 1983-10-18 |
| 4251695 | Pickup cartridge having means for producing magnetic fields of opposite directions for coil plate | Tsuyoshi Ono, Norio Shibata, Katsuhiko Oguri, Kazuhiro Sato, Hidetoshi Sato | 1981-02-17 |
| 4209670 | Moving-coil type pickup cartridge | Tsuyoshi Ono, Norio Shibata, Katsuhiko Oguri, Kazuhiro Sato, Hidetoshi Sato | 1980-06-24 |