AT

Akio Takami

Ngk Spark Plug Co.: 29 patents #33 of 1,594Top 3%
Overall (All Time): #133,072 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
4310598 Coated glass powder having a negative coefficient of linear thermal expansion and a composition containing the same Kazuo Kondo 1982-01-12
4309485 Enameled steel plate Kazuo Kondo 1982-01-05
4308064 Phosphate of calcium ceramics Kazuo Kondo 1981-12-29
4288774 Gas detector Toshitaka Matsuura, Tsutomu Saito 1981-09-08