Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11578983 | Route search system, route search apparatus, route search method, and computer program | Yuta Miyagawa, Koichi Takayama | 2023-02-14 |
| 11238738 | Information providing system, server, mobile terminal, and computer program | Toshihiro ICHIMARU, Shingo Ohashi, Izumi Memezawa, Koichi Takayama, Katsunori Ushida | 2022-02-01 |
| 11039384 | Wireless communication system, information acquiring terminal, computer program, method for determining whether to adopt provided information | Katsunori Ushida, Koichi Takayama, Susumu Takeshima | 2021-06-15 |
| 7625545 | Process for producing carbon nanotubes by arc discharge | Hirotaka Mukai, Daisuke Ozamoto | 2009-12-01 |
| 7145422 | DC relay | Hiroyuki Imanishi, Akinobu Yoshimura, Takeshi Ariyoshi, Tamio Tsurita | 2006-12-05 |
| 5455676 | Method of detecting a signal and modulation coefficient of a phase-modulated fiber-optic gyroscope based on a difference in the duration of multiple subwaves in a modulation period | Yozo Nishiura | 1995-10-03 |
| 5386484 | Optical fiber type polarizer | Akihiro Ooka, Kenji Kawamura, Yozo Nishiura, Katsuaki Itoh, Takaki Iwashita +2 more | 1995-01-31 |
| 5365339 | Two depolarizer fiber-optic gyroscope that eliminates interference between the depolarizers | Yozo Nishiura | 1994-11-15 |
| 5335064 | Fiber-optic gyroscope for measuring velocity of an object | Yozo Nishiura | 1994-08-02 |
| 4876432 | Method for controlling a penetration bead | Yuji Sugitani, Yoshikazu Sato | 1989-10-24 |
| 4851639 | Apparatus for automatically welding cylindrical vessel | Yuji Sugitani, Yoshihiro Kanjo | 1989-07-25 |
| 4816641 | Automatic arc-welding method | Yuji Sugitani | 1989-03-28 |
| 4816640 | Automatic arc-welding method | Yuji Sugitani, Yosihiro Kanjo | 1989-03-28 |
| 4816639 | Automatic arc-welding method | Yuji Sugitani | 1989-03-28 |
| 4686341 | Gas shield chamber for arc welding of rails | Hirokazu Nomura, Yukihiko Sato, Mizuho Higurashi, Saburo Mori | 1987-08-11 |
| 4672173 | Gas-shielded arc welding apparatus | Hirokazu Nomura, Yukihiko Sato, Eiji Morishige, Mizuho Higurashi, Saburo Mori | 1987-06-09 |