Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881026 | Method and apparatus for diagnosing abnormal state of sodium (NA)--sulfur (S) cell | Yasumasa Ishida, Hiroyuki Kawamoto, Motoi Wada, Hisamitu Hatoh, Sadao Mori +1 more | 1989-11-14 |
| 4768921 | Turbomolecular vacuum pump | Ueda Shinjiro, Osami Matsushita, Naoyuki Tamura | 1988-09-06 |