Inventor
SUMI MASAAKI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “SUMI MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OMRON TATEISI ELECTRONICS CO
29 patentsUS10210698B2Feb 19, 2019
Game machine pushbutton
OMRON TATEISI ELECTRONICS CO11 citations83
US6769682B2Aug 3, 2004
Device for reversing direction of motion of paper sheet
OMRON TATEISI ELECTRONICS CO14 citations82
US11069176B2Jul 20, 2021
Game machine pushbutton, illumination device
OMRON TATEISI ELECTRONICS CO3 citations72
US10957499B2Mar 23, 2021
Push-button for game machine
OMRON TATEISI ELECTRONICS CO3 citations72
US10043338B2Aug 7, 2018
Operation unit and game machine
OMRON TATEISI ELECTRONICS CO4 citations72
US12400510B2Aug 26, 2025
Pushbutton switch, pushbutton switch unit, operating unit, and amusement machine
OMRON TATEISI ELECTRONICS CO1 citations63
US12387550B2Aug 12, 2025
Pushbutton switch, operating unit, and amusement machine
OMRON TATEISI ELECTRONICS CO0 citations62
US12361781B2Jul 15, 2025
Gaming machine operation button, and control deck and gaming machine comprising same
OMRON TATEISI ELECTRONICS CO0 citations62
US12271024B2Apr 8, 2025
Illumination device and gaming machine equipped with same
OMRON TATEISI ELECTRONICS CO0 citations62
US11874492B2Jan 16, 2024
Illumination device
OMRON TATEISI ELECTRONICS CO0 citations62
US11792562B2Oct 17, 2023
Headphones
OMRON TATEISI ELECTRONICS CO1 citations62
US10783739B2Sep 22, 2020
Push-button for game machine
OMRON TATEISI ELECTRONICS CO1 citations62
US11373478B2Jun 28, 2022
Game machine
OMRON TATEISI ELECTRONICS CO1 citations61
US12469357B2Nov 11, 2025
Illumination device and gaming machine equipped with same
OMRON TATEISI ELECTRONICS CO0 citations52
US12333892B2Jun 17, 2025
Illumination device and gaming machine equipped with same
OMRON TATEISI ELECTRONICS CO0 citations52
US12579859B2Mar 17, 2026
Pushbutton switch, operating unit, and amusement machine
OMRON TATEISI ELECTRONICS CO0 citations51
US12573258B2Mar 10, 2026
Pattern variably displaying device, game machine, and pattern variably displaying method
OMRON TATEISI ELECTRONICS CO0 citations51
US12462639B2Nov 4, 2025
Control deck and gaming machine equipped with same
OMRON TATEISI ELECTRONICS CO0 citations51
US12236739B2Feb 25, 2025
Pushbutton switch, operating unit, and amusement machine
OMRON TATEISI ELECTRONICS CO0 citations51
US12165461B2Dec 10, 2024
Push button device
OMRON TATEISI ELECTRONICS CO0 citations51
US12112913B2Oct 8, 2024
Push button device
OMRON TATEISI ELECTRONICS CO0 citations51
US10698649B2Jun 30, 2020
Operation switch unit and game machine
OMRON TATEISI ELECTRONICS CO0 citations51
US10262581B2Apr 16, 2019
Operating apparatus, game machine, and control method
OMRON TATEISI ELECTRONICS CO0 citations51
US10258872B2Apr 16, 2019
Operating apparatus, game machine, and control method
OMRON TATEISI ELECTRONICS CO0 citations51
US10058780B2Aug 28, 2018
Operating apparatus, game machine, and control method
OMRON TATEISI ELECTRONICS CO1 citations51
US9995478B2Jun 12, 2018
Switch unit and game machine
OMRON TATEISI ELECTRONICS CO1 citations49
US9899163B2Feb 20, 2018
Switch unit and game machine
OMRON TATEISI ELECTRONICS CO0 citations49
US9412223B2Aug 9, 2016
Operation unit and game machine
OMRON TATEISI ELECTRONICS CO0 citations41
US9978545B2May 22, 2018
Switch unit and game machine
OMRON TATEISI ELECTRONICS CO0 citations39