Masahiro Kogure

Title: Masahiro Kogure: Writing-Implement Inventor

Introduction

Masahiro Kogure is an inventor based in Takasaki, Japan, whose patent work focuses on practical features for writing instruments. He is associated with Pilot Corporation and has 2 patents.

Latest Patents

Kogure’s listed patents address thermochromic writing tools and clip construction.

“Thermochromic Writing Tool” describes a writing instrument with a reservoir for thermochromic ink and a writing point that dispenses the ink. The writing element moves within a resin barrel, while a tiltable push element operates the protruding-and-retracting mechanism. A rub portion is positioned at the rear of the push element.

“Writing Implement with Clip” describes a clip designed for strength and reliable spring retention. A coil spring presses the clip against the tubular body, and a projection on the body fits inside the spring to help keep it in place. The patent also describes a clip back wall and a preferred projection height of at least half the spring’s length.

Career Highlights

Kogure’s patent portfolio reflects attention to both writing performance and mechanical durability. His inventions combine components such as ink reservoirs, retractable mechanisms, clips, and coil springs to address functional needs in writing implements.

Collaborations

Kogure is associated with Pilot Corporation. His listed coworkers include Norio Moriyama and Toshihiro Ono.

Conclusion

Masahiro Kogure’s patents showcase practical innovations in thermochromic writing tools and durable clip mechanisms for writing implements.