Inventor · disambiguated record
Keiichiro Masui
Also filed as: MASUI KEIICHIRO
4 granted patents·2 pending applications·4 citations·filing 2019–2025
61Inventor score
Top patents by PatentIndex Score
6 records- 0191US11878380B2Device and method for fixing nut to inner surface of pipe memberAOYAMA SEISAKUSHO·Filed 2023·Granted Jan 23, 2024·2 cites·6 claims
- 0283US11725685B2Caulking boltAOYAMA SEISAKUSHO·Filed 2020·Granted Aug 15, 2023·2 cites·7 claims
- 0358US11885366B2Piercing nut and method for fixing the same to inner surface of mating member having closed sectional shapeAOYAMA SEISAKUSHO·Filed 2022·Granted Jan 30, 2024·0 cites·11 claims
- 0457US2024301908A1Water stop mounting structure of bolt to plate-like metal memberAOYAMA SEISAKUSHO·Filed 2024·Application pending·0 cites
- 0552US11015630B2Method for attaching nut and collar to plate material and attachment structure of nut and collar to plate materialAOYAMA SEISAKUSHO·Filed 2019·Granted May 25, 2021·0 cites·6 claims
- 0652US2025249964A1Underbody Part and Method for Manufacturing Underbody PartFUTABA IND CO LTD·Filed 2025·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →