Inventor · disambiguated record

Haruhisa Watai

Also filed as: WATAI HARUHISA

2 granted patents·66 citations·filing 1981–1989

66Inventor score

Technology areasB44C C25D

Files withYUKEN KOGYO CO LTD2

Top patents by PatentIndex Score

2 records

0184US4983263AZincate type zinc alloy electroplating bathYUKEN KOGYO CO LTD·Filed 1989·Granted Jan 8, 1991·38 cites·15 claims
0273US4393120APlastic coated with golden evaporated filmYUKEN KOGYO CO LTD·Filed 1981·Granted Jul 12, 1983·28 cites·4 claims

Join the waitlist — get patent alerts

Get an alert when Haruhisa Watai 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 →