Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8921626 | Method for operating plant for producing mixed-gas hydrate | Masahiro Takahashi, Nobuyasu Kanda, Kenichi Sano | 2014-12-30 |
| 8497402 | Process and apparatus for producing gas hydrate pellet | Masahiro Takahashi, Takashi Arai, Shinji Takahashi, Kouhei Takamoto, Kenji Ogawa +1 more | 2013-07-30 |
| 8446160 | Probe card maintenance method which adjusts position/posture of probes | Katsuhiro Gunji, Tatsurou Nagai, Yumi Kodama | 2013-05-21 |
| 8432176 | Apparatus and method for testing semiconductor devices | Katsuhiro Gunji, Takaaki Sasaki | 2013-04-30 |
| 8420018 | Gas hydrate production apparatus | Takashi Arai, Kiyoshi Horiguchi, Akira Tokinosu | 2013-04-16 |
| 8353409 | Method of dewatering gas hydrate and apparatus therefor | Tetsuro Murayama, Kiyoshi Horiguchi, Takashi Arai, Hidenori Moriya | 2013-01-15 |
| 8309031 | Gas hydrate production apparatus | Yuichi Katoh, Shigeru Nagamori, Takashi Arai, Kiyoshi Horiguchi, Tetsuro Murayama +3 more | 2012-11-13 |
| 8303293 | Process and apparatus for producing gas hydrate pellet | Masahiro Takahashi, Takashi Arai, Shinji Takahashi, Kouhei Takamoto, Kenji Ogawa +1 more | 2012-11-06 |
| 8217209 | Process for production of gas hydrate | Masahiro Takahashi | 2012-07-10 |
| 8138382 | Process for producing mixed gas hydrate | Nobuyasu Kanda, Masahiro Takahashi | 2012-03-20 |
| 8043579 | Gas hydrate production apparatus and dewatering unit | Yuichi Katoh, Shigeru Nagamori, Takashi Arai, Kiyoshi Horiguchi, Tetsuro Murayama +3 more | 2011-10-25 |
| 7999141 | Process for producing gas hydrate pellet | Yuichi Katoh, Kiyoshi Horiguchi, Shigeru Nagamori | 2011-08-16 |
| 6153847 | Welding member and welding method | Tatsuo Nakatani, Mitsuru Komori, Norio Tezuka, Yoshiaki Matsumoto, Kazuhiro Fukuda +1 more | 2000-11-28 |