Inventor · disambiguated record
Masanobu Kawamura
Also filed as: KAWAMURA MASANOBU
6 granted patents·3 pending applications·111 citations·filing 1990–2023
83Inventor score
Top patents by PatentIndex Score
9 records- 0179US5233012AProduction of novel condensates comprising bisphenols and aromatic aminosulfonic acids, condensates and dispersant, additive and water-reducing agent based thereonSANYO KOKUSAKU PULP CO·Filed 1992·Granted Aug 3, 1993·17 cites·11 claims
- 0278US5811527ALignin composition, method of producing the same and dispersing agent for cement used the sameJUJO PAPER CO LTD·Filed 1996·Granted Sep 22, 1998·47 cites·10 claims
- 0363US6074782ALead storage battery containing a negative electrode active substance including a negative electrode additiveAISIN SEIKI·Filed 1997·Granted Jun 13, 2000·31 cites·11 claims
- 0459US5153299AProduction of novel condensates comprising bisphenols and aromatic aminosulfonic acids, condensates and dispersant, additive and water-reducing agent based thereonSANYO KOKUSAKU PULP CO·Filed 1990·Granted Oct 6, 1992·12 cites·9 claims
- 0559US2025162943A1Cementitious cement-based hydraulic materialOHBAYASHI CORP·Filed 2023·Application pending·0 cites
- 0657US6596788B2Biodegradable composition and method of producing the sameJUJO PAPER CO LTD·Filed 2001·Granted Jul 22, 2003·4 cites·11 claims
- 0754US2025062361A1Organic expander for lead storage batteriesJUJO PAPER CO LTD·Filed 2022·Application pending·0 cites
- 0852US2024304821A1Organic expander for lead storage batteriesJUJO PAPER CO LTD·Filed 2022·Application pending·0 cites
- 0947US10155209B2DispersantJUJO PAPER CO LTD·Filed 2014·Granted Dec 18, 2018·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →