HS

Hiroji Sawada

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
Overall (All Time): #2,367,562 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4345120 Distributor Tatsuo Igawa, Hiromitsu Nagae 1982-08-17
4219707 Distributor with coated alkaline earth oxide electrode Tatsuo Igawa 1980-08-26