IH

Ichiya Hayakawa

AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
TR Techno Ryowa: 1 patents #7 of 8Top 90%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,834,254 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5249094 Pulsed-DC ionizer Kazuo Nakamura, Masanori Suzuki 1993-09-28