Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841267 | Deflection apparatus for cathode ray tube | Seiji Watabe, Tsutomu Maeda, Koichi Shibuya, Sumio Takahashi | 1989-06-20 |
| 4816696 | Variable-speed pumped-storage power generating system | Akihiro Sakayori, Takao Kuwabara, Akira Brando, Yasuteru Oono, Shigeaki Hayashi +1 more | 1989-03-28 |