Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kyo Nakayama0
Tsuyoshi Nishida0
Shinichi Ushiku0
Satoru Okabe0
Yusuke Koizumi0
Masashi Sakagami0
Date of Patent
October 18, 2022
0Patent Application Number
167669580
Date Filed
October 24, 2018
0Patent Citations
Patent Primary Examiner
A multifunction pen is provided including a refill for a writing implement such as a ballpoint pen on a tip end side and including an electromagnetic induction-based electromagnetic induction refill on a rear end side such that there is no need to perform a switching operation between the writing refill and the electromagnetic induction refill. The multifunction pen includes a shaft tube
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