Katsuzo Kokawa

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%

📍 Nara, JP: #1,375 of 2,795 inventorsTop 50%

Overall (All Time): #2,280,040 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5533669	Heat transfer apparatus	Katsuhiko Yamamoto, Tatsuki Sakurabu, Satoshi Imabayashi, Muneo Tao	1996-07-09
4511327	Oil burner	Toshiro Ogino	1985-04-16