Inventor · disambiguated record
Hiroaki Hirakura
Also filed as: HIRAKURA HIROAKI
6 granted patents·1 pending application·106 citations·filing 1997–2004
85Inventor score
Files withHITACHI CHEMICAL CO LTD6
Top patents by PatentIndex Score
7 records- 0182US6692793B2Photo-cured film, and photosensitive element, printed wiring board and semiconductor package using such filmHITACHI CHEMICAL CO LTD·Filed 2001·Granted Feb 17, 2004·16 cites·15 claims
- 0274US6238840B1Photosensitive resin compositionHITACHI CHEMICAL CO LTD·Filed 1998·Granted May 29, 2001·38 cites·12 claims
- 0362US6583198B2Photo curable resin composition and photosensitive elementHITACHI CHEMICAL CO LTD·Filed 1998·Granted Jun 24, 2003·15 cites·9 claims
- 0462US6060215APhotosensitive resin composition and application of its photosensitivityHITACHI CHEMICAL CO LTD·Filed 1998·Granted May 9, 2000·22 cites·15 claims
- 0557US7071243B2Photo-cured film, and photosensitive element, printed wiring board and semiconductor package using such filmHITACHI CHEMICAL CO LTD·Filed 2004·Granted Jul 4, 2006·3 cites·12 claims
- 0646US5885723ABonding film for printed circuit boardsHITACHI CHEMICAL CO LTD·Filed 1997·Granted Mar 23, 1999·12 cites·12 claims
- 0739US2002169226A1Photo-cured film, and photosensitive element, printed wiring board and semiconductor package using such filmFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hiroaki Hirakura 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 →