YK

Yoshiki Kawamura

EC Engineering System Co.: 1 patents #3 of 9Top 35%
TO Toto: 1 patents #620 of 1,113Top 60%
Overall (All Time): #1,867,954 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10912486 Medical posture retainer Osamu SAJIKI 2021-02-09
4980933 Washing device for parts of human body Osamu Tsutsui, Hisato Haraga, Kiyoshi Fujino, Yoshinobu Uchimura 1991-01-01