MN

Masahiro Nakajima

SI Seiko Instruments: 4 patents #2 of 73Top 3%
AC Asahi Glass Co.: 1 patents #69 of 225Top 35%
Mitsubishi Electric: 1 patents #903 of 2,608Top 35%
Overall (2017): #19,880 of 506,227Top 4%
6
Patents 2017

Issued Patents 2017

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9817369 Mechanical component, mechanical component manufacturing method, movement, and timepiece Sachiko Tanabe, Takashi Niwa 2017-11-14
9753433 Mechanical component, movement, and timepiece Sachiko Tanabe, Takashi Niwa 2017-09-05
9678477 Mechanical component, mechanical component manufacturing method, movement, and timepiece Sachiko Tanabe, Takashi Niwa 2017-06-13
9665069 Electric generator device, timepiece movement, and timepiece Yoshiki Hamatani, Takashi Niwa, Miei Konishi, Toru Ozaki 2017-05-30
9640275 One-time memory control apparatus Katsuyuki Sumimoto, Junya Sasaki, Akio Kamimurai, Keisuke Katsurada 2017-05-02
9568887 Operation stabilizing mechanism, movement, and mechanical timepiece Takuma Kawauchiya, Takashi Niwa, Masayuki Koda 2017-02-14