Inventor · disambiguated record
Yujiro Shimoyama
Also filed as: SHIMOYAMA YUJIRO
10 granted patents·205 citations·filing 1985–1991
90Inventor score
Technology areasH01H
Files withALPS ELECTRIC CO LTD10
Top patents by PatentIndex Score
10 records- 0186US5117074AWaterproof structure for a switch deviceALPS ELECTRIC CO LTD·Filed 1991·Granted May 26, 1992·56 cites·2 claims
- 0285US4904833ASwitch device with automatic neutral point restoring position and releasably lockable nonneutral positionALPS ELECTRIC CO LTD·Filed 1988·Granted Feb 27, 1990·31 cites·9 claims
- 0383US4978823ASeesaw-type switch device having a snap-coupled actuatorALPS ELECTRIC CO LTD·Filed 1989·Granted Dec 18, 1990·29 cites·4 claims
- 0481US4947008ASwitch deviceALPS ELECTRIC CO LTD·Filed 1988·Granted Aug 7, 1990·27 cites·10 claims
- 0579US4861950AMultiple switch device having waterproof structureALPS ELECTRIC CO LTD·Filed 1988·Granted Aug 29, 1989·27 cites·3 claims
- 0663US4843195ASwitch having dust-proof coverALPS ELECTRIC CO LTD·Filed 1988·Granted Jun 27, 1989·13 cites·2 claims
- 0752US4710600ADetent mechanism for sliding electric partsALPS ELECTRIC CO LTD·Filed 1985·Granted Dec 1, 1987·9 cites·1 claims
- 0843US4843192APush-button switch device having individual/nterlocking actionALPS ELECTRIC CO LTD·Filed 1988·Granted Jun 27, 1989·6 cites·9 claims
- 0941US4668849ADetent mechanism for sliding electric partsALPS ELECTRIC CO LTD·Filed 1985·Granted May 26, 1987·5 cites·6 claims
- 1031US4752661ASwitch device of the swing typeALPS ELECTRIC CO LTD·Filed 1987·Granted Jun 21, 1988·2 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Yujiro Shimoyama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →