Inventor · Tokyo, JP

Kazuo Oosawa

6Patents
4h-index
11Co-inventors
43Inventor score

Filing activity: Aug 15, 2002 → Mar 1, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6977352B2 Transmissive key sheet, input keys using transmissive key sheet and electronic equipment with input keys Electricity 76 Expired
USD476635S1 Portable wireless telephone General 31 Expired
USD501851S1 Portable wireless telephone General 19 Expired
US7447522B2 Card holding structure for cellular phone Electricity 4 Expired
USD512713S1 Portable wireless telephone General 3 Expired
USD505944S1 Portable wireless telephone General 2 Expired

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