Inventor · disambiguated record
Hiromitsu Nagamatsu
Also filed as: NAGAMATSU HIROMITSU
3 granted patents·66 citations·filing 1990–1994
73Inventor score
Files withHITACHI METALS LTD3
Top patents by PatentIndex Score
3 records- 0179US5461852AChain and Connecting pin thereofHITACHI METALS LTD·Filed 1994·Granted Oct 31, 1995·35 cites·3 claims
- 0255US5056651AFlight for collecting sludge by sweeping and roller shoe fixed theretoHITACHI METALS LTD·Filed 1990·Granted Oct 15, 1991·23 cites·2 claims
- 0336US5067931ASprocket wheel having replaceable teethHITACHI METALS LTD·Filed 1990·Granted Nov 26, 1991·8 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →