Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8980217 | Method of manufacturing graphene substrate, and graphene substrate | Kazuhito Tsukagoshi | 2015-03-17 |
| 8835286 | Manufacturing method of graphene substrate and graphene substrate | Kazuhito Tsukagoshi | 2014-09-16 |
| 8698077 | Method for determining number of layers of two-dimensional thin film atomic structure and device for determining number of layers of two-dimensional thin film atomic structure | Kazuhito Tsukagoshi, Hisao Miyazaki | 2014-04-15 |
| 8168964 | Semiconductor device using graphene and method of manufacturing the same | Fumiyuki Nihei, Tetsuya Tada, Toshihiko Kanayama | 2012-05-01 |
| 8093580 | Semiconductor device and method of manufacturing the same | Satoru Toguchi, Tetsuya Tada, Toshihiko Kanayama | 2012-01-10 |
| 7687801 | Dopant material, dopant material manufacturing method, and semiconductor device using the same | Tetsuya Tada, Toshihiko Kanayama | 2010-03-30 |
| 7247548 | Doping method and semiconductor device using the same | Tetsuya Tada, Toshihiko Kanayama | 2007-07-24 |
| 7138688 | Doping method and semiconductor device fabricated using the method | Toshihiko Kanayama, Takehide Miyazaki | 2006-11-21 |
| 6680411 | Carborane supercluster and method of producing same | Toshihiko Kanayama | 2004-01-20 |
| 6540972 | Carbon material and method of preparing the same | — | 2003-04-01 |
| 6083624 | Carbon material and method of preparing the same | — | 2000-07-04 |
| 5925465 | Carbon material originating from graphite and method of producing same | Thomas Ebbesen, Katsumi Tanigaki | 1999-07-20 |
| 5698175 | Process for purifying, uncapping and chemically modifying carbon nanotubes | Thomas Ebbesen | 1997-12-16 |
| 5641466 | Method of purifying carbon nanotubes | Thomas Ebbesen, Pulickel M. Ajayan | 1997-06-24 |
| 5626812 | Method of producing carbon material by bending at least one carbon atom layer of graphite | Thomas Ebbesen, Katsumi Tanigaki | 1997-05-06 |