Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6320296 | Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device | Satoshi Fujii, Yuichiro Seki, Hideaki Nakahata, Kenjiro Higaki, Hiroyuki Kitabayashi +2 more | 2001-11-20 |
| 6210780 | Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device | Satoshi Fujii, Yuichiro Seki, Hideaki Nakahata, Kenjiro Higaki, Hiroyuki Kitabayashi +2 more | 2001-04-03 |
| 6109305 | Double walled pipe, jacking method and pipe end structure of leading pipe | Tomoya Fujimoto, Kenko Okamura, Shigeru Morishita, Masaru Murakami, Akira Adachi +4 more | 2000-08-29 |
| 6004073 | Double walled pipe, jacking method and pipe end structure of leading pipe | Tomoya Fujimoto, Kenko Okamura, Shigeru Morishita, Masaru Murakami, Akira Adachi +4 more | 1999-12-21 |
| 5993919 | Method of synthesizing diamond | Takashi Tsuno, Takahiro Imai, Yoshiaki Kumazawa | 1999-11-30 |
| 5615976 | Double walled pipe, jacking method and pipe end structure of leading pipe | Tomoya Fujimoto, Kenko Okamura, Shigeru Morishita, Masaru Murakami, Akira Adachi +4 more | 1997-04-01 |