Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326979 | Electron beam lithography system | Katsuhiro Kawasaki, Takashi Matsuzaka, Hiroya Ohta | 1994-07-05 |
| 4663262 | Carrier for use in electrophotographic developers | Kazuyoshi Oka, Mitsuhiro Katayama, Ulf Engstrom, Svenn E. Larssen | 1987-05-05 |