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Wako-Shi, Japan

The Institute of Physical and Chemical Research

USPTO Granted Patents = 91

CIPO Patents = 2

Forward Citations = 887

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165 inventors (with patents filed for the assignee):

Yoshihide Hayashizaki (17 out of 53 patents)

Hitoshi Ohmori (7 out of 34 patents)

Isao Endo (6 out of 32 patents)

4. Takeo Nakagawa (5 out of 6 patents)

5. Kozo Ando (4 out of 24 patents)

6. Nobuyuki Kurosawa (4 out of 4 patents)

7. Shuichi Tsuji (4 out of 4 patents)

8. Toshiro Hamamoto (4 out of 4 patents)

9. Naoya Kojima (4 out of 4 patents)

10. Tamio Hara (4 out of 9 patents)

11. Shin Nakamura (3 out of 22 patents)

12. Takehiko Shibata (3 out of 13 patents)

13. Yoshiharu Doi (3 out of 15 patents)

14. Takeharu Nagai (3 out of 15 patents)

15. Takashi Fukano (3 out of 6 patents)

Core Competencies:

Capillary Electrophoresis

Neurogenesis Inducing Genes

RNA Polymerase

Endonuclease

Ultraviolet Electroluminescent Element

Magnetic Resonance Imaging

Laser Machining

X-Ray Generating Apparatus

Statistical Simulation

Cytotrienins

Sugar-Chain Synthetase

Optical Dressing Method

91 patents: Sort by Forward Citations

1. 7531076 - Capillary cassette and method of manufacturing the same (2009-05-12),

2. 7236298 - Illumination apparatus for microscope and image processing apparatus using the same (2007-06-26),

3. 7195698 - Capillary electrophoretic apparatus, sample plate and sample injection method (2007-03-27),

4. 7126752 - Illumination apparatus for microscope and image processing apparatus using the same (2006-10-24),

5. 7014745 - Capillary cassette and method of manufacturing the same (2006-03-21),

6. 6921648 - Neurogenesis inducing genes (2005-07-26),

7. 6867027 - RNA polymerase (2005-03-15),

8. 6839634 - Method for predicting reaction characteristics of molecules (2005-01-04),

9. 6617424 - Undecapeptides containing cysteinesulfinic and cysteinesulfenic acid (2003-09-09),

10. 6528296 - Endonuclease (2003-03-04),

11. 6500637 - Neurogenesis inducing genes (2002-12-31),

12. 6458556 - Method for enhancing enzyme activity at elevated temperature (2002-10-01),

13. 6456636 - Ultraviolet electroluminescent element and laser luminescent element (2002-09-24),

14. 6448554 - Ion scattering spectrometer (2002-09-10),

15. 6432278 - Method for controlling refractive index of silica glass (2002-08-13),

The Institute of Physical and Chemical Research (RIKEN) is a Japanese scientific research institute conducting high-level research on various fields such as physics, chemistry, biology, medical science, and engineering. Established in 1917, RIKEN aims to create new value and contribute to society through cutting-edge research and technological developments. With a strong focus on interdisciplinary collaboration and innovation, RIKEN strives to address the world's most pressing challenges and advance scientific knowledge for the betterment of humanity.

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USPTO Data Jan 1 1976 - Dec 23 2025

91 Patents

#1 in Wako-Shi

#1,165 in Japan

#8,175 in the World

Wako-Shi, Japan

The Institute of Physical and Chemical Research

Forward Citations = 887

165 inventors:

Yoshihide Hayashizaki (17 out of 53 patents)

Hitoshi Ohmori (7 out of 34 patents)

Isao Endo (6 out of 32 patents)

4. Takeo Nakagawa (5 out of 6 patents)

5. Kozo Ando (4 out of 24 patents)

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