Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9007038 | Direct-current stabilized power supply device | Osamu Shizuya, Yasufumi Konishi | 2015-04-14 |
| 8581608 | Apparatus and method for detecting abnormality in solar cell power generation system | Osamu Shizuya, Jun Ishida, Hideki Furubayashi | 2013-11-12 |
| 8482309 | Failure detecting method for a solar power generation system | Jun Ishida, Osamu Shizuya | 2013-07-09 |
| 5288729 | Exposing method and apparatus | Tatsuhiko Asaka, Hisashi Iijima, Shigeru Suwa | 1994-02-22 |
| 5025166 | Exposure apparatus for color cathode ray tubes | Hiroyuki Wada, Takashi Nishimura | 1991-06-18 |