Inventor · disambiguated record

Yasuhiro Sanpei

Also filed as: SANPEI YASUHIRO

2 granted patents·10 citations·filing 2006–2006

52Inventor score

Technology areasB43K

Files withMICRO CO LTD2

Top patents by PatentIndex Score

2 records

0178US7237972B2Automatic mechanical pencil and method of assembly thereofMICRO CO LTD·Filed 2006·Granted Jul 3, 2007·9 cites·20 claims
0257US7207738B2Writing instrumentMICRO CO LTD·Filed 2006·Granted Apr 24, 2007·1 cites·20 claims

Join the waitlist — get patent alerts

Get an alert when Yasuhiro Sanpei 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 →