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Jasco Corporation

USPTO Granted Patents = 78

% Expired Patents = 12.8

EPO Patents = 18

Trademarks = 2

Forward Citations = 299

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117 inventors (with patents filed for the assignee):

Jun Koshoubu (13 out of 13 patents)

Yoshihito Narita (9 out of 17 patents)

Tsutomu Inoue (9 out of 42 patents)

4. Kenichi Akao (9 out of 9 patents)

5. Takeshi Kanomata (8 out of 8 patents)

6. Kento Aizawa (7 out of 7 patents)

7. Hiroshi Sugiyama (6 out of 87 patents)

8. Jun Koshobu (6 out of 6 patents)

9. Toshiyuki Nagoshi (6 out of 6 patents)

10. Noriaki Soga (6 out of 6 patents)

11. Fuminori Sato (6 out of 6 patents)

12. Tetsuji Sunami (5 out of 5 patents)

13. Hisashi Masago (5 out of 5 patents)

14. Yoshiko Kubo (4 out of 11 patents)

15. Yoshiro Kondo (4 out of 4 patents)

Core Competencies:

Spectral Analysis

Infrared Spectrometer

Circular Dichroism

Microspectroscope

Raman Microscope

Optical Measurement

High-Speed Classification

Total Reflection

Chromatography

Near-Field Measurement

Fluorescence Detection

Phase Difference Control

78 patents: Sort by Forward Citations

1. 12492983 - Spectral analysis method, analysis apparatus and analysis program (2025-12-09),

2. 12449575 - Reflective polarized light separation and diffraction element and optical measurement device comprising same (2025-10-21),

3. 12422350 - Multiple-reflection apparatus and multiple-reflection cell (2025-09-23),

4. 12392712 - Infrared circular dichroism measurement apparatus (2025-08-19),

5. 12372460 - Fourier transform infrared spectrometer (2025-07-29),

6. 12339218 - Spectrum measuring device suitable for evaluating difference between spectra (2025-06-24),

7. 12276604 - Infrared spectrometer (2025-04-14),

8. 12031864 - Spectrometer (2024-07-09),

9. 12000812 - Differential refractive index measurement method, measurement device, and measurement program (2024-06-04),

10. 11913877 - Real-time spectral analysis through high-speed spectral classification (2024-02-27),

11. 11898908 - Attenuated total reflection measuring apparatus capable of Raman spectral measurement (2024-02-13),

12. 11879833 - Circular dichroism measurement device and circular dichroism measurement method (2024-01-23),

13. 11635605 - Microspectroscope having position correction function (2023-04-25),

14. 11579089 - Raman microscope having fluorescence observation function and filter unit (2023-02-14),

15. 11402320 - Phase difference control device (2022-08-02),

Company Overview

Jasco Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced analytical instruments, particularly in the field of spectral analysis. The company focuses on technologies such as infrared spectrometers, circular dichroism, microspectroscopes, and Raman microscopes, providing solutions for optical measurement and high-speed classification. Jasco's innovations support a wide range of applications in research and industry, enhancing the capabilities of scientists and engineers in their analytical endeavors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

78 Patents

#633 in Tokyo

#1,323 in Japan

#9,673 in the World

Jasco Corporation

Forward Citations = 299

117 inventors:

Jun Koshoubu (13 out of 13 patents)

Yoshihito Narita (9 out of 17 patents)

Tsutomu Inoue (9 out of 42 patents)

4. Kenichi Akao (9 out of 9 patents)

5. Takeshi Kanomata (8 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Jasco Corporation. Retrieved from https://idiyas.com/company/jasco

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

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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