Patents/Inventors

Ryoji Kamiyama

SaitamaJP20 patents

13 Patents

US126021202026
Electronic Pen Having Knock Mechanism to Push and Retract Electronic Pen Main Body Out of and Into Pen Housing
Wacom Co., Ltd.
0 cites
US122168412025
Electronic Pen, Electronic Pen Cartridge, and Electronic Pen Main Unit
Wacom Co., Ltd.
0 cites
US121537442024
Electronic Pen and Electronic Pen Main Body
Wacom Co., Ltd.
0 cites
US120016182024
Knock-type Electronic Pen Including First and Second Position Indicators Located at Different Ends of a Tubular Casing
Wacom Co., Ltd.
0 cites
US119411942024
Electronic Pen Cartridge
Wacom Co., Ltd.
0 cites
US118610782024
Electronic Pen Central Rod and Electronic Pen Main Body Part
Wacom Co., Ltd.
0 cites
US118096442023
Electronic Pen, Electronic Pen Cartridge, and Electronic Pen Main Unit
Wacom Co., Ltd.
0 cites
USD10011302023
Cartridge for an Electronic Pen
Wacom Co., Ltd.
0 cites
US117144982023
Electronic Pen Core Body and Electronic Pen
Wacom Co., Ltd
0 cites
US116628342023
Electronic Erasing Device and Writing Information Processing System
Wacom Co., Ltd.
0 cites
USD09789662023
Cartridge for an Electronic Pen
Wacom Co., Ltd.
0 cites
USD09782432023
Cartridge for an Electronic Pen
Wacom Co., Ltd.
0 cites
US115736492023
Electronic Pen Core Body and Electronic Pen
Wacom Co., Ltd.
0 cites