Inventor · disambiguated record
Masaaki Kageyama
Also filed as: KAGEYAMA MASAAKI
5 granted patents·1 pending application·30 citations·filing 1990–2001
78Inventor score
Technology areasH01H
Files withALPS ELECTRIC CO LTD5
Top patents by PatentIndex Score
6 records- 0150US6597344B1Key switch disposed on keyboard input device and method of producing the sameALPS ELECTRIC CO LTD·Filed 2000·Granted Jul 22, 2003·6 cites·8 claims
- 0250US6483050B1Key switch with easily attachable key topALPS ELECTRIC CO LTD·Filed 2000·Granted Nov 19, 2002·6 cites·26 claims
- 0347US5066842AKey topALPS ELECTRIC CO LTD·Filed 1990·Granted Nov 19, 1991·9 cites·4 claims
- 0446USD386488SData entry keyboardALPS ELECTRIC CO LTD·Filed 1996·Granted Nov 18, 1997·6 cites·1 claims
- 0528US6312176B2Keyboard apparatusALPS ELECTRIC CO LTD·Filed 1999·Granted Nov 6, 2001·3 cites·8 claims
- 0628US2002079211A1Key switch with click elastic member placed between key top and switch elementFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →