Hachioji, Japan

Haruki Nakayama

This inventor holds 22 USPTO granted patents, primarily in Camera Technology. Top assignees: Konica Corporation, Mitsubishi Electric Corporation. Active years: 1989-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruki Nakayama. Retrieved from https://idiyas.com/inventor/haruki-nakayama

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


% Patents Active = 72.7

Average Co-Inventor Count = 2.2

ph-index = 7

Forward Citations = 130(Granted Patents)


Location History:

  • Hachioji, JP (1989 - 2003)
  • Chiyoda-ku, JP (2011 - 2013)
  • Tokyo, JP (1993 - 2015)

Company Filing History:


Years Active: 1989-2015

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Areas of Expertise:
Zoom Lens
Image Pick-Up
Electronic Viewfinder
Light Emission Device
Focal Length Switching
Starter Control Unit
Electromagnetic Switch
Camera Design
Auto-Focus Technology
Digital Still Camera
Variable Focal Length
Camera Mechanisms
22 patents (USPTO):Explore Patents

Title: Haruki Nakayama: Pioneer in Engine Starting Technology

Introduction: Haruki Nakayama, an esteemed inventor based in Hachioji, Japan, has made significant contributions to the field of engine starting technology. With an impressive portfolio of 22 patents, Nakayama is recognized for his innovative designs that enhance the reliability and efficiency of vehicle ignition systems.

Latest Patents: Among his latest inventions are two noteworthy patents focusing on starting control units and engine starters. The first patent describes a "starting control unit and start command signal generation apparatus," which integrates multiple components, including a current suppression resistor and a timer circuit, to manage the current flow during the engine start process. This design ensures that the starting current is effectively controlled to prevent electrical interruptions.

The second patent, an "engine starter and resistor short-circuiting device," emphasizes a simplified structure that maintains stability and reliability. This device uses a resistor to limit current during startup, alongside a short-circuiting switch that operates once the starter switch is engaged, preventing any instantaneous interruptions in the vehicle's electrical devices.

Career Highlights: Haruki Nakayama has held prominent positions in respected companies, including Konica Corporation and Mitsubishi Electric Corporation. His work in these companies laid the groundwork for his innovative patents and contributions to the automotive industry. Nakayama's expertise has positioned him as a leader in developing more efficient starting mechanisms for vehicles.

Collaborations: Throughout his career, Nakayama has collaborated with esteemed coworkers, including Yuichi Honda and Toshio Imaizumi. Their collective efforts in research and development have greatly influenced the advancements in engine starting technology, showcasing the importance of teamwork in innovation.

Conclusion: Haruki Nakayama stands out as a prominent inventor in Japan, with his 22 patents highlighting his commitment to enhancing vehicle technology. His latest inventions reflect a deep understanding of engineering principles and a dedication to innovation, ensuring that modern vehicles operate more efficiently and reliably. Nakayama's legacy is poised to inspire future generations of inventors and engineers in the automotive sector.

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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