Patents/Inventors

Mamiko Ogura

Tokyo-toJP0 patents

1 Patent

US124214112025
Aqueous Ink Composition for Reversibly Thermochromic Writing Instrument, and Refill and Aqueous Ballpoint Pen Incorporating Aqueous Ink Composition for Reversibly Thermochromic Writing Instrument
KABUSHIKI KAISHA PILOT CORPORATION
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