Inventor · disambiguated record
Nagamasa Maruyama
Also filed as: MARUYAMA Nagamasa
1 granted patent·1 pending application·1 citations·filing 2020–2022
15Inventor score
Files withSANWA TECHNO CO LTD2
Top patents by PatentIndex Score
2 records- 0165US11447342B2Ball transfer and seal member for ball transfer employing pile seal memberSANWA TECHNO CO LTD·Filed 2020·Granted Sep 20, 2022·1 cites·8 claims
- 0239US2022170508A1Ball transfer and seal member for ball transfer employing pile seal memberSANWA TECHNO CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →