Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802263 | Electrical discharge machine and method for manufacturing machined object using the same | Kouichirou Yasuda, Akira Itoh, Nobuhiko Nagai, Tetsuji Yamaguchi, Hiroyuki Ootani | 2017-10-31 |
| 8525064 | Electric discharge machine and method of producing nozzle body using the same | Akira Itoh, Hiroshi Adachi, Takeshi Oochi, Kazuhisa Ikuta, Michio Kameyama | 2013-09-03 |
| 6922577 | Optical measuring device having d.c. component elimination | Tetsuya Nakashima, Seiji Nagakusa, Teiyuu Kimura | 2005-07-26 |