Inventor · disambiguated record
Masashi Sangen
Also filed as: SANGEN MASASHI
16 granted patents·112 citations·filing 1986–1996
93Inventor score
Technology areasH01J
Files withMATSUSHITA ELECTRONICS CORP13MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2MATSUSHITA ELECTRICAL IND CO LTD1
Top patents by PatentIndex Score
16 records- 0174USD383224SFluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1996·Granted Sep 2, 1997·18 cites·1 claims
- 0265USD379673SFluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1996·Granted Jun 3, 1997·13 cites·1 claims
- 0365USD353901SFluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1994·Granted Dec 27, 1994·11 cites·1 claims
- 0464US4841193AFluorescent lamp device with incandescent bulb type base capMATSUSHITA ELECTRONICS CORP·Filed 1988·Granted Jun 20, 1989·13 cites·5 claims
- 0563USD356874SFluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1994·Granted Mar 28, 1995·10 cites·1 claims
- 0662USD302733SCompact self-ballasted fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Aug 8, 1989·9 cites·1 claims
- 0751USD365885SFluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1995·Granted Jan 2, 1996·7 cites·1 claims
- 0849USD377690SFluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1995·Granted Jan 28, 1997·6 cites·1 claims
- 0946USD314629SFluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1988·Granted Feb 12, 1991·4 cites·1 claims
- 1045US5723939ACircular fluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1995·Granted Mar 3, 1998·8 cites·32 claims
- 1141USD353902SFluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1994·Granted Dec 27, 1994·3 cites·1 claims
- 1238USD303297SFluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1987·Granted Sep 5, 1989·2 cites·1 claims
- 1338USD295082SFluorescent lampMATSUSHITA ELECTRICAL IND CO LTD·Filed 1986·Granted Apr 5, 1988·3 cites·1 claims
- 1438USD295083SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Apr 5, 1988·3 cites·1 claims
- 1534USD353900SFluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1994·Granted Dec 27, 1994·1 cites·1 claims
- 1633USD376858SFluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1995·Granted Dec 24, 1996·1 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →