Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611322 | OPTICAL TIME DOMAIN REFLECTOMETER WHICH MEASURES AN OPTICAL FIBER WITH DIFFERENT WAVELENGTHS ACCORDING TO AN ORDER AND COLLECTIVELY DISPLAYS WAVEFORM DATA AND A LIST OF EVENTS FOR EACH WAVEFORM IN THE SAME SCREEN | Norio Nakayama, Shigeo Hori, Masaaki Tamakoshi, Yasuhiro Miyake | 2003-08-26 |
| 6460000 | Measurement data display apparatus | Norio Nakayama, Shigeo Hori, Masaaki Tamakoshi | 2002-10-01 |
| 6445445 | Evaluation apparatus for an optical fiber transmission line | Norio Nakayama, Shigeo Hori, Masaaki Tamakoshi | 2002-09-03 |
| 5943123 | Optical fiber monitor using optical time domain reflectometer and monitoring method | Kiyoshi Iwasaki, Norio Nakayama, Shigeo Hori | 1999-08-24 |