Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10746014 | Method and system for monitoring a condition of an elastic element used in a downhole tool | Masaei Ito, Manuel Marya, Tsutomu Yamate | 2020-08-18 |
| 10422489 | Lighting device with divergent reflection surfaces between excitation light sources and fluorescent plate | Masaki Inoue | 2019-09-24 |
| 9989237 | Light source device | Hiroyuki Takada, Masaki Inoue | 2018-06-05 |
| 8483445 | Imaging methods and systems for downhole fluid analysis | Theodorus Tjhang, Yutaka Imasato | 2013-07-09 |
| 6850367 | Light exposure apparatus and light emitting device therefor | — | 2005-02-01 |