Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7404832 | Method for producing cubic boron nitride abrasive grains | Eiji Ihara, Takuya Okubo, Makoto Kasahara, Makoto Iizuka | 2008-07-29 |
| 7244406 | Method for producing cubic boron nitride | — | 2007-07-17 |
| 7214359 | Cubic boron nitride, catalyst for synthesizing cubic boron nitride, and method for producing cubic boron nitride | Eiji Ihara, Katsuyuki Tsuji | 2007-05-08 |
| 7097678 | Metal-coated cubic boron nitride abrasive grain, production method thereof, and resin bonded grinding wheel | Eiji Ihara, Tatsuya Shimidzu | 2006-08-29 |
| 6627168 | Method for growing diamond and cubic boron nitride crystals | Tetsuro Sakurai | 2003-09-30 |
| 5000760 | CBN abrasive-grains, method for producing the same, and grinding wheel | Masakazu Maki, Eiichi Iizuka | 1991-03-19 |