HM

Hidetsugu Matsubara

IJ Ishikawajima-Harima Jukogyo: 3 patents #47 of 494Top 10%
Mazda Motor: 2 patents #1,722 of 4,755Top 40%
Overall (All Time): #1,649,379 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5454700 Bearing support for a lysholm compressor Yuichi Iguchi, Shigeru Takabe, Tsuyoshi Goto, Hiroyuki Sugimoto, Yoshiyuki Miyagi 1995-10-03
5377649 Lubricating device for engine-driven supercharger Yasuo Tanaka, Yoshiyuki Miyagi, Tsuyoshi Goto, Koichi Hatamura, Seishiro Takayama 1995-01-03
5018953 Rotor with eccentrically positioned retainer pin Yuichi Iguchi, Shinya Tanaka, Kazuya Miyashita 1991-05-28