Inventor · disambiguated record

Yasuhisa Ichihashi

Also filed as: ICHIHASHI YASUHISA

1 granted patent·1 citations·filing 2004–2004

15Inventor score

Technology areasH05K

Files withHITACHI CHEMICAL CO LTD1

Top patents by PatentIndex Score

1 record

0142US7622243B2Photosensitive element, resist pattern formation method and printed wiring board production methodHITACHI CHEMICAL CO LTD·Filed 2004·Granted Nov 24, 2009·1 cites·19 claims

Join the waitlist — get patent alerts

Get an alert when Yasuhisa Ichihashi 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 →