TM

Tatsuji Matsuno

TC Toyo Communication Equipment Co.: 3 patents #1 of 9Top 15%
Overall (1989): #6,906 of 140,708Top 5%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4857830 Method for measuring insulation resistance of electric line — 1989-08-15
4857855 Method for compensating for phase of insulation resistance measuring circuit — 1989-08-15
4851761 Method for measuring insulation resistance of electric line — 1989-07-25