Kawasaki, Japan

Masaharu Hara

This inventor holds 27 USPTO granted patents, primarily in Camera Technology. Top assignees: Nikon Corporation, Nippon Kogaku K.k.. Active years: 1987-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaharu Hara. Retrieved from https://idiyas.com/inventor/masaharu-hara

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


% Patents Active = 96.3

Average Co-Inventor Count = 3.2

ph-index = 7

Forward Citations = 117(Granted Patents)


Location History:

  • Tokyo, JP (1987 - 1989)
  • Kanagawa-ken, JP (1996)
  • Kawasaki, JP (1990 - 1999)
  • Kamakura, JP (2014)

Company Filing History:


Years Active: 1987-2014

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Areas of Expertise:
Camera
Red-Eye Prevention
Control Device
Photographing Information
Variable Field Shooting
Electrical Structure
Flash Device
Flexible Printed Board
Focal Plane Shutter
Custom Mode Control
Slow Synchro Photographing
Board Connectors
27 patents (USPTO):Explore Patents

Title: **Masaharu Hara: Pioneer in Camera Technology**

Introduction

Masaharu Hara, located in Kawasaki, Japan, is a distinguished inventor who has made significant contributions to the field of camera technology. With a remarkable portfolio of 27 patents, Hara has focused his innovations on enhancing image capture quality and usability, ensuring that photography continues to evolve with modern technology.

Latest Patents

Among his latest innovations is a camera designed to effectively remove particles that may adhere to optical surfaces. This innovative device includes a driving mechanism that can identify and clear particles from the surface of an image pickup device or low-pass filter. By integrating a tilt sensor, Hara's invention intelligently decides the necessity of a removal operation based on the camera’s orientation.

Another significant patent introduced by Hara is a control device aimed at preventing the red-eye effect in photographs. This advanced camera deploys an electronic flash that synchronizes with the exposure, employing a pre-light emission to reduce pupil size before the main flash. This proactive approach minimizes red-eye occurrences, enhancing portrait photography for users.

Career Highlights

Hara has had a noteworthy career, contributing to major companies such as Nikon Corporation and Nippon Kogaku K.K. His tenure at these innovative institutions allowed him to refine his skills and develop groundbreaking technologies that have shaped modern photography.

Collaborations

Throughout his career, Hara has worked alongside esteemed colleagues, including Toshio Sosa and Nobuaki Sasagaki. These collaborations have fostered a rich environment of creativity and technological advancement, further elevating the standards in the camera industry.

Conclusion

Masaharu Hara's inventive contributions have played a critical role in advancing camera technology. With a deep understanding of both the technical and practical aspects of photography, Hara continues to inspire future generations of innovators, reaffirming the importance of continuous improvement in the realm of inventions and innovations.

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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