HO

Hirofumi Osada

TC Tpr Co.: 1 patents #46 of 92Top 50%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #1,865,503 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10890255 Combination oil ring Seeroku HOSHINO, Seiji Tamaki 2021-01-12
9816455 Control system for engine Kenichi Ishimatsu 2017-11-14