Inventor · disambiguated record
Ryouichi Naganuma
Also filed as: NAGANUMA RYOUICHI
5 granted patents·132 citations·filing 2001–2002
83Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0189US6623255B2Fluid transfer apparatusHITACHI LTD·Filed 2001·Granted Sep 23, 2003·44 cites·6 claims
- 0284US6548920B2Linear motor and method of producing the sameHITACHI LTD·Filed 2001·Granted Apr 15, 2003·33 cites·7 claims
- 0380US6703806B2XYZ-axes tableHITACHI LTD·Filed 2002·Granted Mar 9, 2004·24 cites·20 claims
- 0475US6561052B2Automatic transmissionHITACHI LTD·Filed 2001·Granted May 13, 2003·13 cites·20 claims
- 0574US6448733B1XYZ-axes tableHITACHI LTD·Filed 2001·Granted Sep 10, 2002·18 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →