Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11683225 | Relay device and non-transitory computer readable medium | — | 2023-06-20 |
| 10031021 | Optical measurement probe and optical measurement device provided with the same having a light guide with a reflection surface for reflecting light and causing light to enter the light guide | Ryoji Hiraoka, Nobuyuki Iwai, Tetsuya Nagai, Isao Azumagakito, Mitsuru Kowada +1 more | 2018-07-24 |
| 9239298 | Optical measurement probe, and optical measurement device provided with the same | Tetsuya Nagai, Nobuyuki Iwai, Ryoji Hiraoka, Isao Azumagakito, Satoru Okada | 2016-01-19 |
| 7830878 | Virtual network connection system, virtual network connection apparatus, and computer-readable medium | — | 2010-11-09 |
| 4258318 | Flaw detector for pipe employing magnets located outside the pipe and detector mounted inside and movable along the pipe with the magnets | Yoshihisa Fujii, Hitoshi Tanaka, Tetsuya Hirota | 1981-03-24 |
| 4217548 | Flaw detector for pipe employing magnets located outside the pipe and detector mounted inside and movable along the pipe with the magnets | Yoshihisa Fujii, Hitoshi Tanaka, Tetsuya Hirota | 1980-08-12 |