Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9448570 | Voltage fluctuation suppressing apparatus | Shinya Naoi, Yasuhiro Noro, Yasuyuki Miyazaki, Takahiro Shimoo, Toshiaki Asano +2 more | 2016-09-20 |
| 5495237 | Measuring tool for collecting down hole information and metering valve for producing mud-pulse used in the same | Hajime Yuasa, Kazuho Hosono, Hikaru Kamiirisa, Keijiro Yamamoto | 1996-02-27 |