Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9083263 | Apparatus to provide a time reference | Shigeru Sato | 2015-07-14 |
| 8534115 | Systems and methods of determining parameter values in a downhole environment | Kozue Tomiyama, Toru Terabayashi, Takenori Motoki, Tetsuya Tanaka, Martine Hori | 2013-09-17 |
| 8061047 | Active positioning of downhole devices using spherical motors | Juei Igarashi, Brian Cho, Hitoshi Sugiyama, Paolo Primiero, Hitoshi Tashiro | 2011-11-22 |
| 6624325 | Catalyst for use in producing lower fatty acid ester, process for producing the catalyst, and process for producing lower fatty acid ester using the catalyst | Tomoyoshi Higashi, Kousuke Narumi, Hiroshi Uchida | 2003-09-23 |
| 5011980 | Process for preparation of allyl acetate | Kenichi Sano, Kenichiro Maki | 1991-04-30 |