Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8478810 | Message hub apparatus, program product, and method | Izumi Atsumi, Hiroyuki Ogura | 2013-07-02 |
| 7976251 | Indexable insert | Hideto Iyori, Norihide Kimura | 2011-07-12 |
| 7060345 | Coated tool | Haruyo Fukui, Kazuo Yamagata, Shinya Imamura | 2006-06-13 |
| 6881475 | Amorphous carbon coated tool and fabrication method thereof | Satoshi Ohtani, Naoto Okazaki, Kiyoshi Ogata, Haruyo Fukui, Miki Irie +5 more | 2005-04-19 |
| 6719074 | Insert chip of oil-drilling tricone bit, manufacturing method thereof and oil-drilling tricone bit | Nobuyuki Mori, Hideki Moriguchi | 2004-04-13 |
| 6202769 | Drilling stabilizer | Akihiko Ikegaya | 2001-03-20 |
| 6057046 | Nitrogen-containing sintered alloy containing a hard phase | Kazutaka Isobe, Akihiko Ikegaya, Nobuyuki Kitagawa | 2000-05-02 |
| 5577424 | Nitrogen-containing sintered hard alloy | Kazutaka Isobe, Nobuyuki Kitagawa, Toshio Nomura | 1996-11-26 |
| 5331630 | Renewal method and apparatus for AU-4 and TU-3 pointers of synchronous digital hierarchy | Yoshitaka Fujita | 1994-07-19 |