SY

Shigeru Yumiyama

HI Hitachi: 2 patents #339 of 2,942Top 15%
📍 Hitachinaka, JP: #23 of 230 inventorsTop 10%
Overall (1997): #23,946 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5644171 Starter having an elastic seal member shaped to taper in a direction perpendicular to the longitudinal axis of the motor Shigehiko Omata, Takashi Suzuki, Yoshinobu Nakamura 1997-07-01
5619088 Revolving armature for rotary electric machinery Yoshimi Mori 1997-04-08