Inventor · disambiguated record
Ryo-Ma Yamaguma
Also filed as: YAMAGUMA Ryo-ma
1 granted patent·5 pending applications·0 citations·filing 2016–2017
4Inventor score
Technology areasB22F
Files withSUMITOMO METAL MINING CO6
Top patents by PatentIndex Score
6 records- 0145US10518332B2Method for producing nickel powderSUMITOMO METAL MINING CO·Filed 2017·Granted Dec 31, 2019·0 cites·6 claims
- 0242US2020384542A1Nickel powder manufacturing methodSUMITOMO METAL MINING CO·Filed 2017·Application pending·0 cites
- 0340US2020338641A1Method for producing nickel powderSUMITOMO METAL MINING CO·Filed 2017·Application pending·0 cites
- 0440US2018169764A1Method for producing cobalt powderSUMITOMO METAL MINING CO·Filed 2016·Application pending·0 cites
- 0540US2019061006A1Method for producing seed crystal of cobalt powderSUMITOMO METAL MINING CO·Filed 2016·Application pending·0 cites
- 0638US2019009343A1Method for producing nickel powderSUMITOMO METAL MINING CO·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →