Inventor · disambiguated record
Mitsuo Horiuchi
Also filed as: HORIUCHI MITSUO · KUWABARA KATSUTOSHI
57 granted patents·3 pending applications·469 citations·filing 1975–2023
98Inventor score
Top patents by PatentIndex Score
60 records- 0198US10871809B1KeyboardCHICONY ELECTRONICS CO LTD·Filed 2020·Granted Dec 22, 2020·11 cites·14 claims
- 0294US11747546B2Keyboard and backlight module including adjustable reflective sheetCHICONY ELECTRONICS CO LTD·Filed 2022·Granted Sep 5, 2023·4 cites·20 claims
- 0392US10353437B1Coupled structure and electronic deviceLENOVO SINGAPORE PTE LTD·Filed 2018·Granted Jul 16, 2019·10 cites·4 claims
- 0491US10429900B1Coupled structure and electronic deviceLENOVO SINGAPORE PTE LTD·Filed 2018·Granted Oct 1, 2019·5 cites·10 claims
- 0591US10409334B1Keyboard device and electronic deviceLENOVO SINGAPORE PTE LTD·Filed 2018·Granted Sep 10, 2019·5 cites·9 claims
- 0690US10409316B1Key deviceCHICONY ELECTRONICS CO LTD·Filed 2019·Granted Sep 10, 2019·4 cites·11 claims
- 0790US9958907B2Touch pad for a portable electronic apparatusLENOVO SINGAPORE PTE LTD·Filed 2016·Granted May 1, 2018·8 cites·16 claims
- 0889US11127545B2Keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2019·Granted Sep 21, 2021·3 cites·25 claims
- 0989US10649501B1Touchpad deviceCHICONY ELECTRONICS CO LTD·Filed 2018·Granted May 12, 2020·5 cites·14 claims
- 1088US11631555B2Keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2021·Granted Apr 18, 2023·1 cites·11 claims
- 1187US10401920B2Portable electronic apparatus having a push buttonLENOVO SINGAPORE PTE LTD·Filed 2016·Granted Sep 3, 2019·4 cites·3 claims
- 1286US7755884B2Apparatus for reducing weight and thickness of a portable computerLENOVO SINGAPORE PTE LTD·Filed 2008·Granted Jul 13, 2010·16 cites·14 claims
- 1386US6595786B2Electrical connecting structure of mounted part, computer apparatus, and electronic equipmentIBM·Filed 2001·Granted Jul 22, 2003·50 cites·17 claims
- 1486US6045398ABattery accepting unit and battery packIBM·Filed 1995·Granted Apr 4, 2000·38 cites·11 claims
- 1585US10593490B2Switching device having a push buttonLENOVO SINGAPORE PTE LTD·Filed 2017·Granted Mar 17, 2020·3 cites·16 claims
- 1684US10180739B2Input device for a portable electronic apparatusLENOVO SINGAPORE PTE LTD·Filed 2016·Granted Jan 15, 2019·4 cites·8 claims
- 1783US10714279B1Keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2019·Granted Jul 14, 2020·2 cites·12 claims
- 1882US10840037B1Keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2020·Granted Nov 17, 2020·1 cites·10 claims
- 1981US10886081B1Keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2020·Granted Jan 5, 2021·1 cites·12 claims
- 2079US8931969B2Specialized keyboard for electronic devicesSTEWART AARON M·Filed 2009·Granted Jan 13, 2015·9 cites·8 claims
- 2178US6731269B2Information terminal with keyboardIBM·Filed 2001·Granted May 4, 2004·25 cites·11 claims
- 2277US10782743B2Keyboard deviceLENOVO SINGAPORE PTE LTD·Filed 2018·Granted Sep 22, 2020·2 cites·16 claims
- 2375US9582045B2Coupling structure for input devicesLENOVO SINGAPORE PTE LTD·Filed 2015·Granted Feb 28, 2017·2 cites·8 claims
- 2474US10600589B2Keyboard having a switch deviceLENOVO SINGAPORE PTE LTD·Filed 2019·Granted Mar 24, 2020·1 cites·12 claims
- 2574US8030889B2Docking deviceLENOVO SINGAPORE PTE LTD·Filed 2009·Granted Oct 4, 2011·6 cites·6 claims
- 2674US6654245B2Cooler for electronic unit and electronic unitIBM·Filed 2002·Granted Nov 25, 2003·24 cites·8 claims
- 2774US6568962B2Battery connector structure including a positioning plate with projection for improved electrical contact reliabilityIBM·Filed 2001·Granted May 27, 2003·33 cites·11 claims
- 2874US5969940AMechanical structure of information processing deviceIBM·Filed 1995·Granted Oct 19, 1999·69 cites·3 claims
- 2972US10559437B1Membrane switch device and keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2019·Granted Feb 11, 2020·1 cites·21 claims
- 3071US12469655B2Key structureCHICONY ELECTRONICS CO LTD·Filed 2023·Granted Nov 11, 2025·0 cites·13 claims
- 3170US11107649B2Keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2020·Granted Aug 31, 2021·0 cites·8 claims
- 3270US11094480B2Keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2020·Granted Aug 17, 2021·0 cites·10 claims
- 3370US6933921B2Mobile system with ergonomically improved user pointing subsystemLENOVO SINGAPORE PTE LTD·Filed 2003·Granted Aug 23, 2005·15 cites·18 claims
- 3469US6805505B2Keyboard and computer system allowing for simple keyboard removalIBM·Filed 2002·Granted Oct 19, 2004·14 cites·15 claims
- 3567US11955297B2Keyboard and backlight moduleCHICONY ELECTRONICS CO LTD·Filed 2022·Granted Apr 9, 2024·0 cites·20 claims
- 3667US11923155B2Keyboard and backlight moduleCHICONY ELECTRONICS CO LTD·Filed 2022·Granted Mar 5, 2024·0 cites·20 claims
- 3767US7905734B2Electronic device connecting structure and function expansion deviceLENOVO SINGAPORE PTE LTD·Filed 2008·Granted Mar 15, 2011·3 cites·10 claims
- 3865US10716204B2KeyboardCHICONY ELECTRONICS CO LTD·Filed 2019·Granted Jul 14, 2020·0 cites·16 claims
- 3965US10650986B2KeyboardCHICONY ELECTRONICS CO LTD·Filed 2019·Granted May 12, 2020·0 cites·10 claims
- 4062US5649750AComputer having side-loadable slide-in battery and dual latching mechanismIBM·Filed 1995·Granted Jul 22, 1997·44 cites·4 claims
- 4161US7817093B2Portable computer and antenna distance setting mechanismLENOVO SINGAPORE PTE LTD·Filed 2008·Granted Oct 19, 2010·3 cites·20 claims
- 4260US11152166B2Keyboard device including a plurality of substrate plates connected by elastic bridge memberCHICONY ELECTRONICS CO LTD·Filed 2019·Granted Oct 19, 2021·0 cites·16 claims
- 4359US8246367B2Electronic device connecting structure and function expansion deviceHORIUCHI MITSUO·Filed 2011·Granted Aug 21, 2012·1 cites·20 claims
- 4458US6598999B2Indicator system and combined lens for use therewithIBM·Filed 2001·Granted Jul 29, 2003·6 cites·2 claims
- 4554US10096441B2Electronic apparatus having a switch deviceLENOVO SINGAPORE PTE LTD·Filed 2016·Granted Oct 9, 2018·0 cites·20 claims
- 4653US6821036B2Keyboard allowing for simple, cost-effective productionIBM·Filed 2002·Granted Nov 23, 2004·6 cites·12 claims
- 4753US6646869B2Portable electronic apparatus, disk drive unit, loading member, and computer housingIBM·Filed 2001·Granted Nov 11, 2003·3 cites·7 claims
- 4852US10679803B2Keycap structure with respect to engaging projectionsLENOVO SINGAPORE PTE LTD·Filed 2019·Granted Jun 9, 2020·0 cites·11 claims
- 4951US11037742B2Keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2020·Granted Jun 15, 2021·0 cites·12 claims
- 5050US8491322B2Electronic device connecting structure and function expansion deviceHORIUCHI MITSUO·Filed 2012·Granted Jul 23, 2013·0 cites·19 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Mitsuo Horiuchi 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 →