Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883959 | Scanning surface microscope using a micro-balance device for holding a probe-tip | Shigeyuki Hosoki, Keiji Takata | 1989-11-28 |
| 4841191 | Piezoelectric actuator control apparatus | Keiji Takada, Masahide Okumura, Satoru Fukuhara, Toshiyuki Morimura, Shigeyuki Hosoki | 1989-06-20 |
| 4835399 | Charged particle beam apparatus | Hifumi Tamura | 1989-05-30 |