SO

Shigeo Ohkuma

UJ Unisia Jecs: 18 patents #9 of 395Top 3%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
NI Nichicon: 6 patents #1 of 79Top 2%
HA Hitachi Unisia Automotive: 1 patents #26 of 62Top 45%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
📍 Kameoka, JP: #2 of 111 inventorsTop 2%
Overall (All Time): #118,857 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
6389882 Apparatus and method for diagnosing leakage in fuel vapor treatment apparatus 2002-05-21
6321728 Apparatus and method for diagnosing faults of fuel vapor treatment unit 2001-11-27
6182642 Leak detection of emission control system 2001-02-06
6176217 Fuel vapor processing apparatus and method of internal combustion engine Masaya Furushou 2001-01-23
5850458 Apparatus and method for actively reducing noise in vehicular passengers compartment Naoki Tomisawa 1998-12-15
5517073 Pressure sensor 1996-05-14