Kasugai, Japan

Tohru Kawaguchi

This inventor holds 4 USPTO granted patents. Top assignee: Menicon Co., Ltd.. Active years: 2000-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Kawaguchi. Retrieved from https://idiyas.com/inventor/tohru-kawaguchi

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 = 4

Forward Citations = 109(Granted Patents)


Location History:

  • Gifu, JP (2000)
  • Kasugai, JP (2000 - 2001)

Company Filing History:


Years Active: 2000-2001

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4 patents (USPTO):Explore Patents

Title: The Innovative Mind of Tohru Kawaguchi

Introduction: Tohru Kawaguchi, a distinguished inventor based in Kasugai, Japan, has made significant contributions to the field of ophthalmic devices. With a total of four patents to his name, Kawaguchi has focused on developing innovative materials and devices that enhance the quality of ocular lens manufacturing.

Latest Patents: Among his most notable patents is the "Soft Intraocular Lens Material," which presents a polymer derived from hydrophilic monomers exhibiting a water absorptivity ranging from 1.5 to 4.5 wt%. This advancement aims to improve comfort and usability in ocular applications. Additionally, he developed a "Device for Molding Ophthalmic Lens Material," which encompasses a sophisticated design featuring a lower die, an upper die, and a molding cavity that allows for precise shaping and uniform lens production. This device incorporates an efficient die arrangement and multiple piercing holes, ensuring superior transcriptability and an optimal lens shape through polymerization.

Career Highlights: Tohru Kawaguchi has established himself as a leading expert in the development of innovative lens materials while working at Menicon Co., Ltd. His background in polymer technology and lens fabrication has paved the way for advancements that benefit both practitioners and patients within the ophthalmic community.

Collaborations: Kawaguchi has collaborated closely with esteemed colleagues such as Tatsuya Ojio and Kazuharu Niwa. Together, they have contributed to the research and development efforts at Menicon Co., Ltd., fostering an environment of creativity and innovation, which is vital for their ongoing projects.

Conclusion: Tohru Kawaguchi’s work exemplifies the spirit of innovation in the field of ophthalmic solutions. His patents not only represent groundbreaking advancements in lens materials and manufacturing processes but also highlight his commitment to improving medical technology for better patient outcomes. As he continues to push the boundaries of what is possible, Kawaguchi remains an inspiring figure in the world of inventions.

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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