Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6051977 | Method and apparatus for locating coating faults on buried pipelines | Toshikazu Masuda, Toshio Osada | 2000-04-18 |
| 5886269 | Substrate and heat sink for a semiconductor and method of manufacturing the same | Yasunao Kai, Akira Mishima, Chiaki Yamasaki | 1999-03-23 |