HB

Hisao Banno

Ngk Spark Plug Co.: 2 patents #13 of 76Top 20%
Overall (1994): #32,219 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5320910 Piezoelectric composite material Kohji Ogura 1994-06-14
5294862 Ladder-type piezo-electric filter Yasuhiko Nakagawa 1994-03-15