Matsumoto, Japan

Masakazu Ishihara

This inventor holds 3 USPTO granted patents and 2 EPO patents. Top assignee: Seiko Epson Corporation. Active years: 2020-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Ishihara. Retrieved from https://idiyas.com/inventor/masakazu-ishihara

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 = 2.4

ph-index = 1


Company Filing History:


Years Active: 2020-2024

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3 patents (USPTO):Explore Patents

Title: Masakazu Ishihara: Innovating Imaging and Printing Technology

Introduction: Masakazu Ishihara is a prominent inventor located in Matsumoto, Japan. He has made significant contributions to the fields of imaging and printing technology, with a total of three patents registered under his name. His innovative designs focus on enhancing the functionality and efficiency of various apparatuses.

Latest Patents: Among Masakazu Ishihara's latest patents are two remarkable inventions. The first, titled Image Reading Apparatus and Recording Apparatus with Control Substrates within a Document Feed Unit, involves a sophisticated image reading apparatus equipped with a scanner unit designed to read documents. This innovation features a document feed unit that is strategically placed above the scanner unit, allowing documents to be fed and read effectively. The design incorporates two control substrates within a substrate placement section that manage the operations of both the scanner unit and the document feed unit.

The second patent, Printing Apparatus with Curved Feed Path, focuses on the mechanical structure of a printing apparatus. This invention includes an apparatus main body that houses the printing unit, equipped with a paper feeding port on its upper surface. The design includes an upper feeding path that features a first curved portion for inverting the medium. Additionally, a lower feeding path incorporates a second curved portion that also serves the purpose of inverting the medium during its guidance, optimizing the operational flow within the apparatus.

Career Highlights: Masakazu Ishihara is currently affiliated with Seiko Epson Corporation, a renowned company in the imaging and printing industry. His work at Epson has allowed him to push the boundaries of technology and contribute to advancements that enhance user experience.

Collaborations: Throughout his career, Masakazu has collaborated with notable colleagues, including Kazuhiro Nishiyama and Tatsuya Fukayama. Their teamwork has facilitated the development of innovative solutions in imaging and printing technology, demonstrating the power of collaboration in driving progress.

Conclusion: Masakazu Ishihara is a distinguished inventor whose contributions have significantly advanced the fields of imaging and printing. With three registered patents, his work exemplifies innovation and practicality. As technology continues to evolve, his inventions are likely to remain influential in shaping the future of these industries.

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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