Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12047115 | Polarization variation monitoring system and polarization variation monitoring method | Ichiro YOKOKURA, Junichi Sugiyama, Makoto Shimizu, Toshihiro Suzuki, Takeshi Noma +1 more | 2024-07-23 |
| 11595139 | Device and method for estimating communication quality | Junichi Sugiyama | 2023-02-28 |
| 11588550 | Optical transmission device and optical transmission system | Junichi Sugiyama | 2023-02-21 |
| 9528173 | High-Mn austenitic stainless steel and a producing method of high-Mn austenitic stainless steel sheet | Shigeru Hirata, Kazuhiro Yamakawa | 2016-12-27 |
| 8737227 | Packet transmission device, memory control circuit, and packet transmission method | Akihiro Hata, Atsushi Kitada | 2014-05-27 |
| 8703047 | Clothing ornament made from a high-Mn austenitic stainless steel | Shigeru Hirata, Kazuhiro Yamakawa | 2014-04-22 |
| 6741391 | Three-dimensional object observing microscope | Eiji Ishihara, Shinsuke Hiraoka, Takashi Mizusawa, Tozaburo Nishimura | 2004-05-25 |
| 6483118 | Positron source, method of preparing the same, and automated system for supplying the same | Ichiro Fujiwara, Yoshiko Ito, Ren Iwata, Toshio Hyodo, Yasushige Yano +2 more | 2002-11-19 |
| 6289071 | Positron source, method of preparing the same and automated system for supplying the same | Ichiro Fujiwara, Yoshiko Ito, Ren Iwata, Toshio Hyodo, Yasushige Yano +2 more | 2001-09-11 |
| 5686044 | Austenitic stainless steels for press forming | Qinzhong Zhang | 1997-11-11 |
| 5480608 | Ferritic stainless steel having an excellent oxidation resistance | Masaomi Tsuda, Yoshito Fujiwara, Masao Sato, Hiroyuki Fujii | 1996-01-02 |
| 5303117 | Electrostatic positioner | Masaaki OGIHARA, Michio Aoyama, Tsumoru Fujii, Joji Shinohara | 1994-04-12 |
| 5055145 | Production process of ferrite stainless steel covered with oxide whisker | Shinichi Sasayama, Noboru Tachino, Takeshi Kamiya | 1991-10-08 |
| 5017544 | Production process of ferrite stainless steel covered with oxide whisker | Shinichi Sasayama, Noboru Tachino, Takeshi Kamiya | 1991-05-21 |
| 5002923 | Catalyst support for catalytic reactors | Yoshikazu Koshiba, Takeshi Kamiya, Noboru Tachino | 1991-03-26 |
| 4987000 | Mechanical plating process | Yoshikazu Koshiba, Noboru Tachino, Takeshi Kamiya | 1991-01-22 |
| 4677252 | Circuit board | Satoshi Takahashi, Akira Tsutsumi, Junji Suzuki, Hiroshi Kumakura, Takao Ito +4 more | 1987-06-30 |