Hamamatsu, Japan

Hiroshi Sakai

This inventor holds 7 USPTO granted patents. Top assignees: Toyoda Gosei Co., Ltd., Hamamatsu-Photonics K.k., National Institutes of Natural Sciences. Active years: 2005-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Sakai. Retrieved from https://idiyas.com/inventor/hiroshi-sakai-kv5ga802

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 = 3.4

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Kosai, JP (2018)
  • Hamamatsu, JP (2005 - 2021)

Company Filing History:


Years Active: 2005-2021

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7 patents (USPTO):Explore Patents

Title: Hiroshi Sakai: Innovator in Air-Conditioning Technology

Introduction

Hiroshi Sakai is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of air-conditioning technology, holding a total of 7 patents. His innovative designs have improved the functionality and efficiency of air-conditioning systems.

Latest Patents

One of his latest patents involves an air-conditioning register that includes a retainer, a downstream fin, a knob, an upstream fin, and a fork. The downstream fin is swingably supported by the retainer with a downstream fin pivot. The knob is slidably attached to the downstream fin, while the upstream fin features a transmission shaft. The fork is pivotally supported by the knob and includes two fork pivots. Each fork pivot is inserted into the pivot receiving hole of the corresponding one of the pivot receiving portions. An overlapping portion is provided at least at part of a location at which the fork and each pivot receiving portion contact each other. Slits are provided at two locations between the two fork pivots of the fork, creating an elastic support portion.

Another patent describes an interior component that has a projecting portion extending rearward at a position forward and downward from a vehicle occupant when seated in a passenger compartment. This component features a front inclined surface section and a rear inclined surface section in the lower section of the projecting portion. A retainer and air-direction changing members are arranged immediately below the projecting portion. A manipulating member is positioned above the rear inclined surface section, with part of it exposed rearward from the projecting portion. Two transmission mechanisms are arranged within the interior component to transmit movement from the manipulating member to the air-direction changing members.

Career Highlights

Hiroshi Sakai has worked with prominent companies such as Toyoda Gosei Co., Ltd. and Hamamatsu Photonics K.K. His experience in these organizations has allowed him to develop and refine his innovative ideas in air-conditioning technology.

Collaborations

Throughout his career, Sakai has collaborated with talented individuals, including Hirofumi Kan and Takunori Taira. These partnerships have contributed to the advancement of his inventions and the successful implementation of his designs.

Conclusion

Hiroshi Sakai is a distinguished inventor whose work in air-conditioning technology has led to several patents and innovations. His contributions continue to

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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