Tokyo, Japan

Minoru Ohashi

This inventor holds 22 USPTO granted patents, primarily in Photographic Materials. Top assignees: Mitsubishi Paper Mills Limited, Oriental Yeast Co., Ltd., Oriental Electric Company, Ltd.. Active years: 1979-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Minoru Ohashi. Retrieved from https://idiyas.com/inventor/minoru-ohashi

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 = 2.8

ph-index = 6

Forward Citations = 147(Granted Patents)


Location History:

  • Oizumi, JP (1984)
  • Nerima, JP (1992)
  • Nagaokakyo, JP (1981 - 1993)
  • Tokyo, JP (1979 - 1996)

Company Filing History:


Years Active: 1979-1996

Loading Chart...
Areas of Expertise:
Histamine Detection
Electrophotographic
Image Formation
Dissolved Oxygen
Silver Halide
Freshness Analysis
Photographic Light-Sensitive
Gelatin Hardener
Oxygen Probe
Calibration Apparatus
Developing Agents
Plural Components
22 patents (USPTO):Explore Patents

Title: Minoru Ohashi - Innovator in Food Freshness and Photoreceptor Technology

Introduction

Minoru Ohashi, a prominent inventor based in Tokyo, Japan, has made significant contributions in the fields of food technology and photoreceptor innovation. With a remarkable portfolio of 22 patents, Ohashi exemplifies creativity and expertise in his work.

Latest Patents

Among his latest inventions, Ohashi developed a method for determining histamine by measuring dissolved oxygen. This innovative process assesses food freshness by injecting an examination liquid into a reaction cell, where an oxygen sensor records the amount of dissolved oxygen. The subsequent injection of an enzymatic reagent, with histamine oxidase activity, allows for the precise measurement of histamine concentration through recorded changes in dissolved oxygen levels.

Additionally, Ohashi has innovated an electrophotographic photoreceptor that exhibits high sensitivity to red light or infrared rays, particularly from semiconductor laser beams, while also maintaining exceptional storage stability. This photoreceptor's design incorporates an inorganic photoconductor, a binder resin, and a sensitizing dye, making it a valuable advancement in imaging technology.

Career Highlights

Throughout his career, Minoru Ohashi has worked with esteemed companies, including Mitsubishi Paper Mills Limited and Oriental Yeast Co., Ltd. His roles in these organizations have enabled him to conduct impactful research and develop groundbreaking technologies.

Collaborations

Ohashi has collaborated with talented professionals like Katsuaki Iwaosa and Kenichi Numazawa. These partnerships have played a crucial role in refining his inventions and expanding the relevance of his work.

Conclusion

Minoru Ohashi continues to be an influential figure in the realm of innovation. His dedication to advancing food technology and improving photoreceptor design significantly impacts various industries, paving the way for future 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]
Loading…