Inventor · Tokyo, JP

Yasuaki Isonaga

46Patents
15h-index
9Co-inventors
74Inventor score

Filing activity: May 12, 1988 → Feb 5, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
USD331057S Headphone General 100 Expired
USD587709S1 Monitor display General 46 Expired
USD600695S1 Computer monitor display General 46 Expired
USD635575S1 Computer General 40 Expired
USD630221S1 Computer General 38 Expired
USD442158S Charger for a wireless telephone General 33 Expired
USD392289S Speaker box General 28 Expired
USD432107S Charger for wireless telephone General 26 Expired
USD432108S Wireless telephone General 23 Expired
USD588561S1 Monitor display General 20 Expired
USD658171S1 Computer General 20 Expired
USD671540S1 Computer General 19 Active
USD430135S Disc player combined with radio General 19 Expired
USD417665S Remote controller General 18 Expired
USD439233S Wireless telephone General 15 Expired
USD442545S Charger for wireless telephone General 15 Expired
USD672765S1 Computer General 15 Active
USD311003S Television receiver General 12 Expired
USD570344S1 Computer General 12 Expired
USD421258S Cordless telephone General 12 Expired
USD440546S Wireless telephone General 11 Expired
USD385879S Digital audio disc player General 11 Expired
USD415760S Combined radio receiver and clock General 10 Expired
USD435531S Charger for a wireless telephone General 9 Expired
USD421006S Wireless telephone General 9 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.