Isehara, Japan

Kimio Kumagai

This inventor holds 3 USPTO granted patents. Top assignees: Ichikoh Industries, Ltd., Nissan Motor Company Limited. Active years: 1979-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kimio Kumagai. Retrieved from https://idiyas.com/inventor/kimio-kumagai

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 = 1.7

ph-index = 3

Forward Citations = 30(Granted Patents)


Location History:

  • Isehara, JP (1979)
  • Hadano, JP (1992)

Company Filing History:


Years Active: 1979-1992

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3 patents (USPTO):Explore Patents

Title: Kimio Kumagai: Innovator in Automotive Lighting Technology

Introduction

Kimio Kumagai is a notable inventor based in Isehara, Japan. He has made significant contributions to the field of automotive lighting technology, holding a total of 3 patents. His innovative designs have enhanced the functionality and efficiency of vehicle lighting systems.

Latest Patents

One of his latest patents is a headlamp unit for motor vehicles. This slant-type headlamp unit features a reflector with an inner reflecting surface that takes the form of a part of a paraboloid of revolution. It includes a light-diverging reflecting area that diverges in the horizontal plane while reflecting in the vertical plane the rays of light incident from a lamp bulb in directions substantially parallel with the optical axis. The center of the filament of the lamp bulb is positioned nearly parallel to the optical axis of the reflector and is slightly frontwardly spaced from the focus of the paraboloid of revolution. Additionally, a front lens is slanted with respect to the optical axis, covering the front opening of the reflector and incorporating multiple prism areas on the inner surface. These prism areas refract the rays of light emitted from the lamp bulb and reflected at the reflector, creating horizontally elongated illumination patterns and slant illumination patterns frontwardly.

Another significant patent is the vehicle lamp casing optical axis adjusting mechanism. This mechanism includes an operating wire that is directly and operatively connected to a lamp casing, allowing for swinging movement through linear movement of the operating wire. A pulley is utilized to convert the direction of linear movement of the operating wire into the direction of swinging movement of the lamp casing.

Career Highlights

Throughout his career, Kimio Kumagai has worked with prominent companies in the automotive industry, including Ichikoh Industries, Ltd. and Nissan Motor Company Limited. His experience in these organizations has contributed to his expertise in automotive lighting solutions.

Collaborations

Kimio has collaborated with notable individuals in his field, including Masao Ishikawa and Tatuo Nakamura. These collaborations have likely fostered innovation and advancements in automotive technology.

Conclusion

Kimio Kumagai's contributions to automotive lighting technology through his patents and career achievements highlight his role as an influential inventor. His work continues to impact the industry, enhancing vehicle safety and performance.

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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