Tsuchiura, Japan

Kunihiko Takao

This inventor holds 27 USPTO granted patents, primarily in Liquid Chromatography. Top assignees: Hitachi, Ltd., Hitachi-High-Technologies Corporation, Hitachi Automotive Engineering Co., Ltd.. Active years: 1982-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunihiko Takao. Retrieved from https://idiyas.com/inventor/kunihiko-takao

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


% Patents Active = 70.4

Average Co-Inventor Count = 4.9

ph-index = 13

Forward Citations = 398(Granted Patents)


Location History:

  • Shimoinayoshi, JP (1982 - 1987)
  • Ibaraki, JP (1987 - 1989)
  • Chiyoda, JP (1989)
  • Tsuchiura, JP (1991 - 2013)

Company Filing History:


Years Active: 1982-2013

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Areas of Expertise:
Liquid Chromatograph
Check Valve
Separation Column
Pump
Reactive Liquid Chromatography
Fuel Supply System
High Pressure Pump
Variable Displacement Compressor
Scroll Compressor
Fluid Machine
Capacity Control Valve
Vane Type Compressor
27 patents (USPTO):Explore Patents

Title: Kunihiko Takao - Innovator in Liquid Supply Technologies

Introduction

Kunihiko Takao, a prominent inventor based in Tsuchiura, Japan, has made significant contributions to the field of liquid supply technologies. With an impressive portfolio of 27 patents, Takao continues to influence the industry through his innovative approaches and methodologies.

Latest Patents

Among his latest inventions are the "Liquid Supply Device using Check Valve" and the "Reactive Liquid Chromatography System." The liquid supply device features a mechanism that accurately determines whether changes in pressure or flow rate result from normal operations of the check valve. This system allows for real-time monitoring of the check valve's functionality. By introducing light into the check valve, it detects changes in the quantity of light transmitted or reflected, directly indicating the valve's opening and closing operations. This innovation is crucial for ensuring the reliability of liquid supply devices.

The reactive liquid chromatography system, on the other hand, employs a dual-pump mechanism, where each pump is equipped with a plunger. In the starting operation mode, the second pump remains inactive while the first pump operates. It switches to normal operation mode once the pressure at the discharging port reaches a predetermined threshold, enabling efficient workflow and enhanced performance.

Career Highlights

Throughout his career, Kunihiko Takao has worked with notable companies, including Hitachi, Ltd. and Hitachi High-Technologies Corporation. His experience within these organizations has equipped him to develop cutting-edge solutions that address the needs of modern industries.

Collaborations

In his pursuit of innovation, Takao has collaborated with esteemed colleagues, including Kenji Hiraku and Hironori Kaji. Together, they have contributed to advancements that push the boundaries of technology and improve operational efficiencies.

Conclusion

Kunihiko Takao's relentless pursuit of innovation has established him as a key figure in liquid supply technologies. Through his patents and collaborations, he not only addresses existing challenges but also paves the way for future advancements in the industry. His work exemplifies the spirit of innovation and the importance of continual progress in technological fields.

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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