Tokyo, Japan

Hiroshi Iijima

This inventor holds 18 USPTO granted patents and 2 EPO patents, primarily in Ophthalmologic Instruments. Top assignees: Kabushiki Kaisha Topcon, Nec Corporation, Nippon Electric Co., Ltd.. Active years: 1978-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Iijima. Retrieved from https://idiyas.com/inventor/hiroshi-iijima-f0ig5np0

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 1.7

ph-index = 8

Forward Citations = 134(Granted Patents)


Company Filing History:


Years Active: 1978-2002

Loading Chart...
Loading Chart...
Areas of Expertise:
Ophthalmologic Apparatus
Noncontact Tonometer
Ophthalmic Instrument
Corneal Endothelium
Alignment Mechanism
Intraocular Pressure
Ophthalmological Device
Three-Phase Induction Motor
Pitch Production Process
Vertical Synchronizing Signal
Memory Circuit
Protection Circuit
18 patents (USPTO):Explore Patents

Title: Hiroshi Iijima: Innovator in Ophthalmologic Technology

Introduction

Hiroshi Iijima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of ophthalmology, holding a total of 18 patents. His work focuses on developing advanced ophthalmologic apparatuses that enhance the accuracy and efficiency of eye examinations.

Latest Patents

Iijima's latest patents include innovative designs for ophthalmologic apparatuses. One notable invention is an ophthalmologic apparatus that allows for continued measurement even when the range of lateral relative movement of a trestle is limited with respect to a base. This design ensures that the apparatus occupies minimal space while maintaining functionality. Another significant patent involves an ophthalmologic apparatus that can automatically align with the cornea of the eye, ensuring precise measurements and photographs. This technology effectively interrupts slight reflected light that could interfere with the measurement process, enhancing the reliability of the results.

Career Highlights

Throughout his career, Hiroshi Iijima has worked with notable companies such as Topcon Corporation and Nippon Electric Co., Ltd. His experience in these organizations has contributed to his expertise in developing cutting-edge ophthalmologic technologies.

Collaborations

Iijima has collaborated with esteemed colleagues, including Akinari Takagi and Kouji Nishio. These partnerships have fostered innovation and advancement in the field of ophthalmology.

Conclusion

Hiroshi Iijima's contributions to ophthalmologic technology through his numerous patents and collaborations highlight his role as a leading inventor in this specialized field. His work continues to impact the way eye examinations are conducted, ensuring better outcomes for patients.

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]
Loading…