Inventor · Iwaki, JP

Yoichi Watanabe

23Patents
11h-index
36Co-inventors
75Inventor score

Filing activity: Nov 8, 1983 → Jun 28, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
USRE40221E1 Object observation apparatus and object observation General 59 Expired
USRE41665E1 Object observation apparatus and object observation General 58 Active
US5913565A Vehicle member Performing Operations; Transporting 56 Expired
US5037104A Thread-wound golf ball Emerging Cross-Sectional Technologies 48 Expired
US6568753B1 Vehicular seat Performing Operations; Transporting 46 Expired
US6479819B1 Object observation apparatus and object observation Electricity 33 Expired
US7336006B2 Magnetic actuator with reduced magnetic flux leakage and haptic sense presenting device Emerging Cross-Sectional Technologies 25 Expired
US4836262A Metal cords and pneumatic tires using the same Emerging Cross-Sectional Technologies 25 Expired
US6816049B2 Actuator Electricity 24 Expired
US7571931B2 Vehicle passenger restraint system Performing Operations; Transporting 20 Expired
US4933385A Rubber composition Emerging Cross-Sectional Technologies 13 Expired
US6477338B2 Image formation apparatus, toner amount measurement apparatus, and toner amount measurement method Physics 7 Expired
US5399453A Electrophotograhic photoreceptor Physics 5 Expired
US4628977A High-durable pneumatic radial tires Textiles; Paper 5 Expired
US4520857A High-durable pneumatic radial tires Textiles; Paper 3 Expired
US5781359A Tape slack eliminating device for a cassette tape player Physics 2 Expired
US10035172B2 Powder coating apparatus including a unit that charges and fluidizes a thermosetting powder coating material Chemistry; Metallurgy 1 Active
US8392155B2 Particle behavior analysis system, information processing system, and computer readable medium Physics 0 Active
US8660470B2 Developing device and image forming apparatus including the same Physics 0 Active
US10364574B2 Continuous screw tightening machine with washer stacking supply mechanism Fixed Constructions 0 Active
US8965252B2 Developing device and image forming apparatus Physics 0 Active
US10550274B2 Antibacterial/antiviral coating agent Chemistry; Metallurgy 0 Active
USD782257S1 Peeler for fruits and vegetables General 0 Active

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