Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339144 | Optical fiber characteristic measurement device, optical fiber characteristic measurement program, and optical fiber characteristic measurement method for measuring characteristics of optical fiber based on Brillouin gain spectrum | Satoshi Matsuura, Shin-ichirou Tezuka, Yoshihiro Kumagai | 2025-06-24 |
| 12181314 | Optical fiber characteristic measurement device and optical fiber characteristic measurement method | Shin-ichirou Tezuka, Satoshi Matsuura | 2024-12-31 |
| 11892330 | Signal detecting device and optical fiber characteristics measuring device | Shin-ichirou Tezuka | 2024-02-06 |
| 7827007 | Battery characteristic simulating apparatus | Akihiko Ito, Takashi Tsuneoka | 2010-11-02 |
| 7523252 | Data control apparatus functioning as a USB mass storage device | — | 2009-04-21 |