Inventor · disambiguated record
Yasuyuki Hatakeyama
Also filed as: HATAKEYAMA YASUYUKI
7 granted patents·202 citations·filing 1981–1995
85Inventor score
Top patents by PatentIndex Score
7 records- 0192US4885766ARemote control device using a telephone lineSHARP KK·Filed 1989·Granted Dec 5, 1989·178 cites·13 claims
- 0245US5674953AMethod of preventing scale adhesion to surfaces of polymerization tank with phenol-aldehyde coatingMITSUI TOATSU CHEMICALS·Filed 1995·Granted Oct 7, 1997·5 cites·2 claims
- 0342US5728780AMethod of preventing scale adhesion to the surfaces of a polymerization tank and the likeMITSUI TOATSU CHEMICALS·Filed 1995·Granted Mar 17, 1998·4 cites·2 claims
- 0439US5147948AMethod for polymerizing vinyl chloride while inhibiting adhesion to the polymerization reactor with coating from poly(hydricphenol sulfide)MITSUI TOATSU CHEMICALS·Filed 1990·Granted Sep 15, 1992·4 cites·10 claims
- 0534US5674954AMethod of preventing scale adhesion to the surfaces of a polymerization tank and the likeMITSUI TOATSU CHEMICALS·Filed 1995·Granted Oct 7, 1997·2 cites·1 claims
- 0634US4405219AOptical image synthesis method and apparatusSHARP KK·Filed 1981·Granted Sep 20, 1983·8 cites·27 claims
- 0732US6291600B1Method of preventing scale adhesion to the surfaces of a polymerization tankMITSUI CHEMICALS INC·Filed 1993·Granted Sep 18, 2001·1 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →