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For the Inventor, By the Inventor

Otsu, Japan

Hiroshi Ohashi

This inventor holds 11 USPTO granted patents and 1 published patent application. Top assignee: Shimadzu Corporation. Active years: 2017-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Ohashi. Retrieved from https://idiyas.com/inventor/hiroshi-ohashi-kir098fi

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

USPTO Granted Patents = 11 

% Patents Active = 90.9

Average Co-Inventor Count = 1.4

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Otsu, JP (2017 - 2019)
  • Kyoto, JP (2022 - 2024)

Company Filing History:

goldMedal11 out of 3,703 
 
Shimadzu Corporation
 patents

Years Active: 2017-2025

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11 patents (USPTO):Explore Patents
1. 12474312 - PH management system of liquid chromatograph and computer readable recording medium recording program (2025-11-18),
2. 12025597 - Liquid chromatograph managing internal capacity of mixer (2024-07-02),
3. 11959892 - Liquid chromatograph with improved defect elimination (2024-04-16),
4. 11467137 - Liquid chromatograph and analysis execution method (2022-10-11),
5. 11448625 - Control device for chromatograph apparatus (2022-09-20),
6. 10429360 - Liquid chromatograph control system and liquid chromatograph control method (2019-10-01),
7. 10401334 - Control system and program for liquid chromatograph (2019-09-03),
8. 10101305 - Chromatograph data processing system and data processing method (2018-10-16),
9. 9976998 - System and method for controlling liquid chromatograph (2018-05-22),
10. 9841407 - Liquid chromatograph and liquid chromatograph analysis method (2017-12-12),
11. 9546987 - System and program for controlling liquid chromatograph (2017-01-17),

Title: Hiroshi Ohashi: Innovator in Liquid Chromatography

Introduction

Hiroshi Ohashi is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of liquid chromatography, holding a total of 11 patents. His work focuses on enhancing the efficiency and accuracy of liquid chromatographic systems.

Latest Patents

Among his latest innovations is a pH management system for liquid chromatographs. This system includes a pH meter that measures the pH value of the mobile phase and a warning mechanism that alerts users when the measured pH deviates from a set value. Another notable patent involves a liquid chromatograph designed to manage the internal capacity of a mixer. This invention features a liquid sender, a mixer, a sample injector, a separation column, and a detector, all working together to optimize the analysis of samples.

Career Highlights

Hiroshi Ohashi is currently employed at Shimadzu Corporation, a leading company in analytical and measuring instruments. His work at Shimadzu has allowed him to develop cutting-edge technologies that advance the field of chromatography.

Collaborations

Hiroshi has collaborated with notable colleagues, including Hidetoshi Terada and Tadayuki Yamaguchi. Their combined expertise has contributed to the successful development of innovative solutions in liquid chromatography.

Conclusion

Hiroshi Ohashi's contributions to liquid chromatography through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in analytical technology.

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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