Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7987047 | Navigation equipment | Tadatomi Ishigami, Masatoshi Fujii, Keika Kan, Sadami Ouchi, Hiroaki Kato +1 more | 2011-07-26 |
| 7953309 | Optical fiber and production method thereof | Masao Kato, Kouji Enbutsu, Shinichi Aozasa, Kiyoshi Oikawa, Takashi Kurihara +3 more | 2011-05-31 |