Inventor · disambiguated record
Masafumi Shibuya
Also filed as: SHIBUYA MASAFUMI
2 granted patents·1 pending application·4 citations·filing 1997–2021
42Inventor score
Top patents by PatentIndex Score
3 records- 0150US12370503B2Composite membrane and method for producing composite membraneTOYO BOSEKI·Filed 2020·Granted Jul 29, 2025·0 cites·7 claims
- 0242US2023149859A1Polyphenylene-based semipermeable membrane and manufacturing method thereforTOYO BOSEKI·Filed 2021·Application pending·0 cites
- 0338US5929280AProcess for the preparation of aqueous solutions of tetraalkylammonium hydroxidesTOKUYAMA CORP·Filed 1997·Granted Jul 27, 1999·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →