Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8916125 | Graphite material for synthesizing semiconductor diamond and semiconductor diamond produced by using the same | Osamu Fukunaga, Hiroshi Okubo, Tetsuro Tojo | 2014-12-23 |
| 7816037 | Anode material for lithium ion secondary battery | Naoto Ohta, Katsuhide Nagaoka, Kazuhito Hoshi, Hidehiko Nozaki, Tetsuro Tojo | 2010-10-19 |
| 7364794 | Oxidation resistant carbon fiber reinforced carbon composite material and process for producing the same | Yumi Ohnishi | 2008-04-29 |
| 7078006 | Carbon material for producing metal-including fullerene in high yield | Hiroshi Okubo, Tetsuro Tojo, Kyoko Noro, Hisanori Shinohara | 2006-07-18 |
| 6489027 | High purity carbon fiber reinforced carbon composites and manufacturing apparatus for use thereof | Teruhisa Kondo, Toshiharu Hiraoka, Masatoshi Yamaji, Naoto Ohta | 2002-12-03 |
| 6432538 | Carbon fiber reinforced carbon composite and useful as components for pulling single crystal apparatus | Toshiharu Hiraoka, Naoto Ohta, Akira Asari | 2002-08-13 |
| 6399203 | Pyrolytic carbon coated carbon fiber reinforced carbon composite and useful as components for pulling single crystal apparatus | Teruhisa Kondo, Naoto Ohta, Masatoshi Yamaji | 2002-06-04 |
| 5468565 | Method for producing composite material mainly composed of carbon and boron | Osamu Okada, Hiroaki Ogura | 1995-11-21 |
| 5449529 | Method for producing composite material mainly composed of carbon and boron | Osamu Okada, Hiroaki Ogura | 1995-09-12 |
| 5436948 | Method for producing composite material mainly composed of carbon and boron | Osamu Okada, Hiroaki Ogura | 1995-07-25 |