TN

Takashi Niwa

SI Seiko Instruments: 2 patents #1 of 106Top 1%
Overall (2016): #94,199 of 481,213Top 20%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9310772 Metal structure, method of manufacturing metal structure, spring component, chronograph coupling lever for timepiece, and timepiece Miei Konishi, Matsuo Kishi 2016-04-12
9235193 Temperature compensation-type balance, timepiece movement, mechanical timepiece and manufacturing method of temperature compensation-type balance Masahiro Nakajima, Takuma Kawauchiya, Hisashi Fujieda, Manabu Shinke 2016-01-12