HN

Hiroshi Nagai

AC Ando Electric Co.: 2 patents #2 of 32Top 7%
EB Ebara: 1 patents #49 of 140Top 35%
HI Hitachi: 1 patents #867 of 2,942Top 30%
Sumitomo Electric Industries: 1 patents #603 of 2,038Top 30%
Overall (1997): #4,428 of 185,788Top 3%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5692289 Method of assembling a magnetic disk drive and a system therefor Hiroshi Amada, Keisuke Yamaoka 1997-12-02
5659719 Data multiplex circuit 1997-08-19
5619437 Parallel data counter circuit 1997-04-08
5614088 Cleaning water production system Yukio Ikeda, Takayuki Saito 1997-03-25
5600680 High frequency receiving apparatus Akira Mishima, Akio Iwase 1997-02-04