Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10796138 | Intra-facility activity analysis device, intra-facility activity analysis system, and intra-facility activity analysis method | Yuichiro Takemoto, Takashi Fukatsu | 2020-10-06 |
| 8918327 | Customer service status analysis device, customer service status analysis system and customer service status analysis method | Kunio HIRAKAWA, Yuichi NAKAHATA | 2014-12-23 |
| 8388240 | Receptacle attached with optical isolator and method thereof | Kenji Yamauchi, Yuzuru Hakoda, Yoshimasa Hidaka, Masahiro Saito | 2013-03-05 |
| 7315780 | Guide system, guide apparatus, and radio apparatus which communicates with guide apparatus | Masato Sugahara | 2008-01-01 |
| 6692810 | Flat optical element and production method therefor | Katsumi Takahashi | 2004-02-17 |