HK

Hiroyuki Kumagai

LC Laurel Bank Machines Co.: 4 patents #35 of 139Top 30%
LC Laurel Machinery Co.: 4 patents #1 of 17Top 6%
LC Laurel Precision Machines Co.: 4 patents #3 of 64Top 5%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
NASA: 1 patents #1,418 of 3,881Top 40%
📍 Tokyo, CA: #487 of 583 inventorsTop 85%
Overall (All Time): #774,347 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12340645 Paper sheet processing device 2025-06-24
12340647 Banknote processing system and banknote processing management method 2025-06-24
12223793 Medium processing device and method of connecting units in medium processing device Hiroaki Takahashi 2025-02-11
12165458 Paper sheet processing device and paper sheet processing method 2024-12-10
10231339 Circuit board, power storage device, battery pack, and electronic device Takashi Nagai 2019-03-12
5691687 Contactless magnetic slip ring Joe D. Deardon 1997-11-25