Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10230180 | Connecting component material | Yoshikatsu NISHIDA, Masao NAGAO, Masayoshi Tatano, Takahiro Fujii | 2019-03-12 |
| 9834848 | Sn-plated stainless steel sheet | Yoshikatsu NISHIDA, Masayoshi Tatano, Takahiro Fujii, Masao NAGAO | 2017-12-05 |
| 8702301 | Timepiece bearing, movement, and portable timepiece | Masahiro Nakajima, Takashi Niwa | 2014-04-22 |
| 8591101 | Escapement governor, mechanical watch, pallet fork (incomplete) manufacturing method, and roller manufacturing method | Takashi Niwa | 2013-11-26 |