YI

Yohei Ichikawa

TC Taiyo Yuden Co.: 3 patents #384 of 959Top 45%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
FN Felica Networks: 1 patents #58 of 85Top 70%
Overall (All Time): #600,492 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12277198 Information processing device, information processing method, and information processing system Mark Hsinhsien Chih, Kenichi Motodate, Atsuo Kurokawa, Masashi Miyagi, Erika Kumakura 2025-04-15
9894816 Circuit module Tetsuo Saji, Hiroshi Nakamura 2018-02-13
9160825 Communication module Tetsuo Saji, Hiroshi Nakamura 2015-10-13
8849362 Communication module Tetsuo Saji, Hiroshi Nakamura 2014-09-30
8071902 Push-button switch and electronic apparatus having the same Kiyoshi Nakanishi 2011-12-06
7978467 Key sheet, press switch and electronic device provided with the press switch 2011-07-12
5990736 High frequency amplifier with a guard circuit and a radio wave transmission apparatus including the same Isao Nasuno 1999-11-23
5986503 Power amplifier with an idle current trimmed and a method of trimming the power amplifier 1999-11-16