Patents/Assignees

KABUSHIKI KAISHA PILOT CORPORATION

21 patents in portfolio

US12600875utility2026
Oil-based Ink Composition for Ballpoint Pens and Ballpoint Pen Employing the Same
0 cites
US12595378utility2026
Water-soluble Sheet-like Coloring Material, Water-soluble Sheet-like Coloring Material Set, and Paint Set
0 cites
USD1107792design2025
Writing Instrument
0 cites
US12460099utility2025
Reversibly Thermochromic Composition, Reversibly Thermochromic Microcapsule Pigment Encapsulating Reversibly Thermochromic Composition, and Writing Instrument Using Reversibly Thermochromic Microcapsule Pigment
0 cites
US12421411utility2025
Aqueous Ink Composition for Reversibly Thermochromic Writing Instrument, and Refill and Aqueous Ballpoint Pen Incorporating Aqueous Ink Composition for Reversibly Thermochromic Writing Instrument
0 cites
US12275269utility2025
Thermochromic Writing Instrument
0 cites
US12220937utility2025
Writing Ball, Method for Manufacturing Writing Ball, and Ballpoint Pen with Writing Ball
0 cites
US12179510utility2024
Friction Body Unit and Thermochromic Writing Instrument
0 cites
US12123107utility2024
Reversibly Thermochromic Composite Fiber
0 cites
US12097723utility2024
Retractable Writing Implement
0 cites
US12098289utility2024
Photochromic Composition
0 cites
US12083782utility2024
Discoloring Body Having Glossiness
0 cites
US12049099utility2024
Projectable and Retractable Writing Tool
0 cites
US11993097utility2024
Mechanical Pencil
0 cites
US11993099utility2024
Ballpoint Pen
0 cites
US11975560utility2024
Ballpoint Pen Tip, Ballpoint Pen Refill, and Ballpoint Pen
0 cites
US11919324utility2024
Soft Member Attachment Structure and Thermochromic Writing Instrument
0 cites
US11912058utility2024
Retractable Writing Instrument
0 cites
US11738589utility2023
Writing Instrument
0 cites
US11667146utility2023
Writing Tool
0 cites

Page 1 of 2Next →