Inventor · disambiguated record

Aritaka Tatsumi

Also filed as: TATSUMI ARITAKA

2 granted patents·20 citations·filing 1980–1998

54Inventor score

Technology areasB21C

Files withHITACHI CABLE2

Top patents by PatentIndex Score

2 records

0162US4373366AMachine for forming spiral grooves in metal pipe inner surfaceHITACHI CABLE·Filed 1980·Granted Feb 15, 1983·20 cites·12 claims
0221USRE36194EMachine for forming spiral grooves in metal pipe inner surfaceHITACHI CABLE·Filed 1998·Granted Apr 27, 1999·0 cites·12 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →