YT

Yasuo Takenaka

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,532,032 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6665716 Method of analyzing delay factor in job system Toshiaki Hirata, Eiji Matsumura, Shigeru Miyake, Satoshi Miyazaki, Akihiro Urano 2003-12-16