Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9938477 | Ashless-coal production device, and ashless-coal production method | Noriyuki Okuyama, Koji Sakai, Takuya Yoshida, Shigeru Kinoshita | 2018-04-10 |
| 9751764 | Carbon material production method and carbon material | Shohei WADA | 2017-09-05 |
| 9382493 | Ash-free coal production method | Koji Sakai, Noriyuki Okuyama, Shigeru Kinoshita, Takuya Yoshida, Takahiro Shishido | 2016-07-05 |
| 9334456 | Ash-free coal production method | Koji Sakai, Takahiro Shishido, Noriyuki Okuyama | 2016-05-10 |
| 9315751 | Gravitational settling tank and method for producing ash-free coal | Koji Sakai, Takahiro Shishido, Noriyuki Okuyama | 2016-04-19 |
| 7485239 | Component of glass-like carbon for CVD apparatus and process for production thereof | — | 2009-02-03 |
| 7311863 | Method for producing glass-like carbon pipe, and glass-like carbon pipe produced by such method | Keiji Kishimoto | 2007-12-25 |
| 7198848 | Two-phase glass-like carbon member and method of manufacturing the same | Takayasu Fujiura | 2007-04-03 |
| 6932872 | Heating apparatus using induction heating | — | 2005-08-23 |
| 6756509 | Method for purifying crude 2,6-naphthalenedicarboxylic acid | Yoshiyuki Nagase, Koji Yamamoto, Takeharu Tanaka | 2004-06-29 |
| 6660093 | Inner tube for CVD apparatus | Takahiro Kobayashi | 2003-12-09 |
| 6198218 | Organic light emitting device using diamond film | Koji Kobashi, Yoshihiro Yokota, Takeshi Tachibana, Kazushi Hayashi, Katsumi Yoshino | 2001-03-06 |
| 5609959 | Carbon substrate and production thereof | Tetsuya Yamamoto, Tetsuo Suzuki, Hideki Yamamuro, Hiroshi Chosokabe | 1997-03-11 |