For the Inventor, By the Inventor

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Takamatsu-Shi, Japan

Kagawa University

USPTO Granted Patents = 62

EPO Patents = 3

Forward Citations = 113

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119 inventors (with patents filed for the assignee):

Ken Izumori (16 out of 31 patents)

Ichiro Ishimaru (15 out of 16 patents)

Masaaki Tokuda (13 out of 18 patents)

4. Osamu Matsushita (10 out of 18 patents)

5. Joshua Sakon (9 out of 16 patents)

6. Robert C Gensure (9 out of 11 patents)

7. Tulasi Ponnapakkam (8 out of 10 patents)

8. Kazuhiro Okuma (5 out of 7 patents)

9. Nozomu Nishi (5 out of 7 patents)

10. Hidekuni Takao (5 out of 5 patents)

11. Fusao Shimokawa (4 out of 4 patents)

12. Tetsuo Iida (4 out of 5 patents)

13. Kazuya Akimitsu (4 out of 4 patents)

14. Keiji Tsusaki (4 out of 31 patents)

15. Toshiaki Ohara (3 out of 14 patents)

Core Competencies:

Spectrometry Device

Vascular Sap Measurement Sensor

Pulse-Wave Signal Analysis

Tactile Sensor

Malaria Transmission Prevention

Optical Measuring Apparatus

Fusion Proteins

Plant Disease Control

Microparticle Measurement

Therapeutic Agents Delivery

Bone Graft Material

N-Type Semiconductor

62 patents: Sort by Forward Citations

1. 12235157 - Spectrometry device (2025-02-25),

2. 12216076 - Vascular sap measurement sensor (2025-02-04),

3. 12158417 - Spectrometry device (2024-12-03),

4. 12133721 - Pulse-wave signal analysis device, pulse-wave signal analysis method and computer program (2024-11-05),

5. 12102430 - Spectral measurement device and spectral measurement method (2024-10-01),

6. 11815411 - Tactile sensor to quantify hairy skin sensation (2023-11-14),

7. 11653685 - D-psicose-containing sweetener and foods and drinks and the like obtained by using same (2023-05-23),

8. 11516562 - Core selective switch and optical node device (2022-11-29),

9. 11402270 - Spectral measurement device and spectral measurement method (2022-08-02),

10. 11324763 - Malaria transmission prevention agent having rare sugar as effective component thereof and malarial parasite growth regulating agent (2022-05-10),

11. 11279922 - Delivery of therapeutic agents by a collagen binding protein (2022-03-22),

12. 11278564 - Brain function-improving agent, food, and medicine using lipopolysaccharide (2022-03-22),

13. 11231272 - Optical measuring apparatus and optical measuring method (2022-01-25),

14. 11039576 - Vascular sap measurement sensor and method of manufacturing vascular sap measurement sensor (2021-06-22),

15. 11035782 - Optical characteristic measuring device and optical characteristic measuring method (2021-06-15),

Kagawa University, founded in 1949, is a comprehensive university located in Takamatsu, Kagawa, Japan. It offers a wide range of undergraduate and graduate programs across various fields, including humanities, sciences, engineering, and social sciences. The university aims to foster international collaboration and cultural exchange, promoting research that addresses real-world challenges. Kagawa University is known for its focus on sustainability practices, innovation, and the development of a global perspective among its students. With a vibrant campus life and a strong emphasis on interdisciplinary education, it prepares graduates to meet the demands of the ever-changing global landscape.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

62 Patents

#1 in Takamatsu-Shi

#1,474 in Japan

#11,473 in the World

Takamatsu-Shi, Japan

Kagawa University

Forward Citations = 113

119 inventors:

Ken Izumori (16 out of 31 patents)

Ichiro Ishimaru (15 out of 16 patents)

Masaaki Tokuda (13 out of 18 patents)

4. Osamu Matsushita (10 out of 18 patents)

5. Joshua Sakon (9 out of 16 patents)

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