Patents/Inventors

Itsuka Ohno

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
0 cites