Inventor · disambiguated record
Yoshirou Koutaka
Also filed as: KOUTAKA YOSHIROU
5 granted patents·59 citations·filing 1990–2001
78Inventor score
Files withALPS ELECTRIC CO LTD5
Top patents by PatentIndex Score
5 records- 0168US5969644AKeyboardALPS ELECTRIC CO LTD·Filed 1996·Granted Oct 19, 1999·25 cites·6 claims
- 0265US5004880AClick-type push button switch with improved leaf springALPS ELECTRIC CO LTD·Filed 1990·Granted Apr 2, 1991·21 cites·1 claims
- 0346USD386488SData entry keyboardALPS ELECTRIC CO LTD·Filed 1996·Granted Nov 18, 1997·6 cites·1 claims
- 0432US6152627AKeyboard device having plurality of keyswitchesALPS ELECTRIC CO LTD·Filed 1997·Granted Nov 28, 2000·7 cites·7 claims
- 0531US6520698B2Keyboard input unit having foldable coverALPS ELECTRIC CO LTD·Filed 2001·Granted Feb 18, 2003·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →