HO

Hiroyuki Okahara

NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
📍 Handa, JP: #173 of 266 inventorsTop 70%
Overall (All Time): #3,828,838 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5228892 Exhaust emission control device Yasuo Akitsu, Hideyuki Masaki 1993-07-20