Inventor · disambiguated record
Hiroshi Koyamoto
Also filed as: KOYAMOTO HIROSHI
6 granted patents·4 pending applications·10 citations·filing 2004–2020
73Inventor score
Top patents by PatentIndex Score
10 records- 0187US12071728B2Method for manufacturing paper barrier base materialJUJO PAPER CO LTD·Filed 2020·Granted Aug 27, 2024·2 cites·15 claims
- 0275US10882676B2Paper barrier materialJUJO PAPER CO LTD·Filed 2017·Granted Jan 5, 2021·2 cites·20 claims
- 0366US7575802B2Coated printing papersJUJO PAPER CO LTD·Filed 2005·Granted Aug 18, 2009·5 cites·16 claims
- 0454US11834791B2Method for manufacturing paper barrier base materialJUJO PAPER CO LTD·Filed 2020·Granted Dec 5, 2023·0 cites·16 claims
- 0551US11905662B2Paper barrier materialJUJO PAPER CO LTD·Filed 2020·Granted Feb 20, 2024·0 cites·4 claims
- 0651US2009162641A1Coated printing paperJUJO PAPER CO LTD·Filed 2006·Application pending·0 cites
- 0748US2010291323A1Inkjet recording medium and method for manufacturing the sameWASAI MASAFUMI·Filed 2008·Application pending·0 cites
- 0843US7901542B2Coated papers for newsprint inks and processes for preparing themJUJO PAPER CO LTD·Filed 2004·Granted Mar 8, 2011·1 cites·5 claims
- 0934US2009162642A1Paper containing preggregated filler and process for producing the sameONO KATSUMASA·Filed 2007·Application pending·0 cites
- 1033US2012043372A1Cast-coated paperKOYAMOTO HIROSHI·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hiroshi Koyamoto 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 →