Kasuga, Japan

Sigeru Saito

This inventor holds 1 USPTO granted patent. Top assignee: Pentel Kabushiki Kaisha. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sigeru Saito. Retrieved from https://idiyas.com/inventor/sigeru-saito

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Innovator Spotlight: Sigeru Saito

Introduction: Sigeru Saito, a talented inventor hailing from Kasuga, Japan, has made noteworthy contributions to the world of writing instruments. His innovative designs focus on enhancing the efficiency and functionality of everyday tools, which can significantly impact user experience.

Latest Patents: Saito holds a patent for a writing instrument that features a unique mechanism incorporating a needle slidably mounted within a tubular tip. This design enhances the flow of ink towards the writing point, ensuring a smooth and consistent ink delivery without the formation of air rings or bubbles in the passage. This innovative approach addresses common issues faced by users of conventional writing instruments, making Saito's invention an important advancement in the field.

Career Highlights: As an inventor at Pentel Kabushiki Kaisha, Sigeru Saito has been instrumental in developing cutting-edge stationery products. His dedication to improving functionality and user experience is evident in his patented designs, which have the potential to revolutionize writing instruments.

Collaborations: Saito collaborates with talented colleagues such as Takahiko Shimizu and Takasi Tamura, sharing knowledge and creativity to further innovate the writing instrument industry. Their teamwork exemplifies the spirit of collaboration within research and development roles, leading to enhanced product offerings.

Conclusion: Sigeru Saito's innovative approach to writing instruments highlights his commitment to making practical advancements in everyday tools. With a focus on functionality and user satisfaction, Saito’s contributions continue to inspire ongoing research and development efforts in the industry. His work, supported by collaboration with skilled colleagues, sets a strong foundation for future innovations in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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