Inventor · disambiguated record
Masaharu Hama
Also filed as: HAMA MASAHARU
11 granted patents·246 citations·filing 1974–2001
92Inventor score
Top patents by PatentIndex Score
11 records- 0186US4834137ASafety device for vessels of compressed gasesMITSUBISHI ELECTRIC CORP·Filed 1988·Granted May 30, 1989·55 cites·10 claims
- 0272US4893320AApparatus for counting particles attached to surfaces of a solidMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Jan 9, 1990·31 cites·19 claims
- 0370US6733661B2Ultrapure water producing apparatusRENESAS TECH CORP·Filed 2001·Granted May 11, 2004·13 cites·4 claims
- 0470US5053064AAir conditioning apparatus for a clean roomMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Oct 1, 1991·33 cites·18 claims
- 0567US3980508AProcess of producing semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1974·Granted Sep 14, 1976·14 cites·4 claims
- 0666US5186907AApparatus for treating organic waste gasMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Feb 16, 1993·28 cites·25 claims
- 0766US4941489ACarrier cleaning and drying apparatusDAN SCIENCE CO LTD·Filed 1989·Granted Jul 17, 1990·36 cites·9 claims
- 0854US4868996AMethod and apparatus for vapor dryingMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Sep 26, 1989·20 cites·9 claims
- 0939US4778584ALiquid filter deviceZEOTEC LRC CORP·Filed 1986·Granted Oct 18, 1988·9 cites·9 claims
- 1035US4569224ADevice for measuring the absolute value of the density of salts in atmosphereMITSUBISHI ELECTRIC CORP·Filed 1984·Granted Feb 11, 1986·4 cites·1 claims
- 1130US4600888ADevice for continuously monitoring the density of atmospheric sodium ionsMITSUBISHI ELECTRIC CORP·Filed 1984·Granted Jul 15, 1986·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →