Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340781 | Spherical corundum particles, process for preparation thereof and rubber or plastic composition having high thermal conductivity and having spherical corundum paticles incorporated therein | Jun Ogawa | 1994-08-23 |
| 5303512 | Method and apparatus for grinding a cylindrical surface of a workpiece by traverse grinding | Toshio Tsujiuchi, Tomoyasu Imai, Norio Ohta, Ryohei Mukai, Hisashi Nakamura +1 more | 1994-04-19 |