Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000760 | CBN abrasive-grains, method for producing the same, and grinding wheel | Hirohiko Ohtsubo, Masakazu Maki | 1991-03-19 |
| 4551195 | Method for growing boron nitride crystals of cubic system | Tomoji Sando, Shinji Kashima, Masakazu Maki | 1985-11-05 |
| 4551316 | Process for producing boron nitride of cubic system | — | 1985-11-05 |
| 4547257 | Method for growing diamond crystals | Tomoji Sando, Shinji Kashima | 1985-10-15 |