Hiroshi Tanigawa

TC Toko Co.: 13 patents #2 of 196Top 2%

Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%

NE Nec: 2 patents #5,510 of 14,502Top 40%

UA Umg Abs: 2 patents #8 of 33Top 25%

NC Nippon Electric Co.: 1 patents #251 of 792Top 35%

GC Giken Tratem Co.: 1 patents #2 of 7Top 30%

PA Panasonic: 1 patents #13,264 of 21,108Top 65%

TO Toyota: 1 patents #15,335 of 26,838Top 60%

Overall (All Time): #131,433 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #	Title	Co-Inventors	Date
4814724	Gain control circuit of current mirror circuit type	—	1989-03-21
4808856	Low voltage phase comparator	—	1989-02-28
4767979	Switching circuit device using current mirror circuits	—	1988-08-30
4387389	Semiconductor filter using charge transfer device	—	1983-06-07