logo

For the Inventor, By the Inventor

Iwaki, Japan

Hiroshi Obara

This inventor holds 10 USPTO granted patents. Top assignee: Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1976-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Obara. Retrieved from https://idiyas.com/inventor/hiroshi-obara-668tyh3n

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 189(Granted Patents)


Location History:

  • Iwaki, JA (1976 - 1978)
  • Fukushima, JP (1984)
  • Iwaki, JP (1981 - 1985)

Company Filing History:

goldMedal10 out of 776 
 
Kureha Kagaku Kogyo Kabushiki Kaisha
 patents

Years Active: 1976-1985

Loading Chart...
10 patents (USPTO):Explore Patents
1. 4543293 - Polarized, shaped material of copolymer of vinylidene fluoride (1985-09-24),
2. 4467202 - Photoelectric detector (1984-08-21),
3. 4412147 - Ultrasonic holography imaging device having a macromolecular (1983-10-25),
4. 4406967 - Ultrasonic probe (1983-09-27),
5. 4258260 - Pyroelectric infrared detector (1981-03-24),
6. 4258259 - Infrared detector (1981-03-24),
7. 4071785 - Laminated piezoelectric matrix switch (1978-01-31),
8. 3984903 - Method of spanning across a frame a high-molecular-weight piezoelectric (1976-10-12),
9. 3969927 - Vibration measuring and the apparatus therefor (1976-07-20),
10. 3935485 - Piezoelectric key board switch (1976-01-27),

Title: Hiroshi Obara: Innovator in Polymer Technology

Introduction

Hiroshi Obara is a prominent inventor based in Iwaki, Japan. He has made significant contributions to the field of polymer technology, holding a total of 10 patents. His work focuses on developing advanced materials and devices that enhance performance and functionality.

Latest Patents

Among his latest innovations is a polarized, shaped material comprising a copolymer of 40 to 87 mol % of vinylidene fluoride, 10 to 40 mol % of trifluoroethylene, and 3 to 20 mol % of vinyl fluoride. This material is designed to improve the properties of various applications. Another notable invention is a photoelectric detector that contains a photosensor or light-sensing element made from a pyroelectric polymer film. This detector is engineered with two disturbance-preventive chambers that equalize pressure to ambient levels, allowing for accurate light detection with minimal interference from the surrounding atmosphere.

Career Highlights

Hiroshi Obara is currently employed at Kureha Kagaku Kogyo Kabushiki Kaisha, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of polymer materials and their applications in various industries.

Collaborations

He collaborates with talented coworkers, including Naohiro Murayama and Masafumi Yoshida, who contribute to his research and development efforts.

Conclusion

Hiroshi Obara's contributions to polymer technology and his innovative patents highlight his role as a leading inventor in the field. His work continues to influence advancements in material science and 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]
Loading…