Inventor · disambiguated record
Masanori Kai
Also filed as: KAI MASANORI · YOKOYAMA YASUYUKI
3 granted patents·17 citations·filing 1978–1993
64Inventor score
Files withIWATSU ELECTRIC CO LTD3
Top patents by PatentIndex Score
3 records- 0144US4239371AElectrophotographic copying machinesIWATSU ELECTRIC CO LTD·Filed 1978·Granted Dec 16, 1980·10 cites·30 claims
- 0228US4653008AMethod of controlling platemaking positions and errorsIWATSU ELECTRIC CO LTD·Filed 1985·Granted Mar 24, 1987·6 cites·7 claims
- 0327US5335047APrinting plate making apparatus for two different kinds of mastersIWATSU ELECTRIC CO LTD·Filed 1993·Granted Aug 2, 1994·1 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Masanori Kai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →