Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11530559 | Hinge | Shigeya NAKAMURA, Teruhiko IWATA, Shigeo SUZUKI, Masayuki Onodera, Yasuko AIZAWA | 2022-12-20 |
| 8825236 | Method providing reliability data of long-term predicted orbit data of positioning satellite, apparatus for providing same, and computer program for providing same | — | 2014-09-02 |
| 8446315 | Method for providing satellite orbit ephemeris, server, and positioning system | — | 2013-05-21 |
| 7335787 | Method for producing onium salt derivatives, and novel onium salt derivatives | Shinji Ishii | 2008-02-26 |
| 6620957 | Process for producing onium salt derivative and novel onium salt derivative | Shinji Ishii | 2003-09-16 |
| RE35177 | N-fluoropyridinium salt and process for preparing same | Teruo Umemoto, Kosuke Kawada, Ginjiro Tomizawa | 1996-03-12 |
| 5493033 | Process for purifying tetrachlorophthalic anhydride | Zentaro Ueda, Seiji Maekawa | 1996-02-20 |
| 4996320 | N-fluoropyridinium salt and process for preparing same | Teruo Umemoto, Kosuke Kawada, Ginjiro Tomizawa | 1991-02-26 |