KK

Keiichi Koga

AC Advics Co.: 3 patents #181 of 686Top 30%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
Overall (All Time): #781,686 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12393910 Information management system and information management method Masahiko Ishii, Hidetaka ASANO, Ryota Suzuki 2025-08-19
12306979 Information management system and information management method Masahiko Ishii, Hidetaka ASANO, Akiko Tamura, Koji HETSUGI, Ryota Suzuki 2025-05-20
9566956 Electric parking brake device Jin Yamada, Yoshikazu Tachiiri, Keiichi Shino 2017-02-14
7648014 One-way clutch and electric parking brake device using the same 2010-01-19
7140697 Electric parking brake apparatus Yoshikazu Tachiiri 2006-11-28
5984430 Hydraulic braking system for a vehicle Kazuya Watanabe, Hiroaki Takeuchi 1999-11-16