Inventors with similar research interests:
Location History:
- Kawagoeshi, JP (1990 - 1994)
- Saitama, JP (1991 - 1995)
- Saitama-ken, JP (1997 - 1998)
- Kawagoe, JP (1989 - 2003)
Company Filing History:
52 out of 294 
1 out of 1 
1 out of 1 Years Active: 1989-2003
Areas of Expertise:
Title: **Yoshihide Mitsuya: Innovator in Mechanical Pencils**
Introduction
Yoshihide Mitsuya, a prominent inventor based in Kawagoe, Japan, has made significant contributions to the field of writing instruments. With an impressive portfolio of 54 patents, Mitsuya specializes in innovative designs that enhance functionality and user experience in mechanical pencil technology.
Latest Patents
Among his latest inventions is the double-chuck mechanical pencil. This innovative tool features a front lead chuck for securely holding the lead and a back lead chuck for lead advancement. The design includes a barrel, a lead tank connected to the back lead chuck, and an adapter at the back of the lead tank that remains fixed relative to the barrel while allowing axial movement. Additionally, it incorporates a rotary eraser projecting mechanism that includes a support member, which is also restrained from rotation relative to the adapter and can be detached from the back portion of the adapter. This dual functionality elevates the mechanical pencil's usability and convenience.
Career Highlights
Mitsuya has worked with notable companies such as Kotobuki & Co., Ltd. and Crown Fancy Goods Co., Ltd., where he has honed his skills and pushed the boundaries of writing instrument design. His role in these companies not only allowed him to innovate but also to explore new avenues in product development.
Collaborations
Throughout his career, Mitsuya has collaborated with colleagues like Hidehei Kageyama and Shuhei Kageyama. These partnerships have fostered an environment of creativity, leading to the development of cutting-edge designs in mechanical pencils and other writing instruments.
Conclusion
Yoshihide Mitsuya stands out as an influential figure in the innovation of mechanical pencils. His commitment to enhancing the functionality of everyday tools reflects his dedication to continuous improvement and creativity in design. With a wealth of patents and collaborative efforts, Mitsuya's work continues to impact the writing instrument industry.