Inventor · disambiguated record
Nagakazu Yokoyama
Also filed as: YOKOYAMA NAGAKAZU
4 granted patents·109 citations·filing 1983–1985
80Inventor score
Files withNEC CORP4
Top patents by PatentIndex Score
4 records- 0191USD284079STelephone instrumentNEC CORP·Filed 1983·Granted Jun 3, 1986·33 cites·1 claims
- 0289USD284472SDigital display pagerNEC CORP·Filed 1984·Granted Jul 1, 1986·28 cites·1 claims
- 0387USD284188STelephone instrumentNEC CORP·Filed 1983·Granted Jun 10, 1986·32 cites·1 claims
- 0472USD291561SCombination handset and speaker dialer telephone stand unitNEC CORP·Filed 1985·Granted Aug 25, 1987·16 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Nagakazu Yokoyama 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 →