IS

Iwao Shigeoka

NC Nhk Spring Co.: 2 patents #370 of 1,116Top 35%
Overall (All Time): #2,001,291 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9278387 Method for manufacturing leaf springs Akira Tange, Kiyoshi Kurimoto, Yurika Goto, Tadakazu Kato, Shinichi Inoguchi 2016-03-08
6460835 Wheel suspension system and spring therefor Toshio Hamano, Hirotake Kato, Takahiro Nakamura, Toshiyuki Kamakura, Masaya Komazaki 2002-10-08