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Director-general of Agency of Industrial Science and Technology

USPTO Granted Patents = 232

CIPO Patents = 1

Forward Citations = 2,382

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535 inventors (with patents filed for the assignee):

Yutaka Tokiwa (10 out of 16 patents)

Ikuo Matsui (8 out of 13 patents)

Kazuhiko Ishikawa (8 out of 9 patents)

4. Masato Tanaka (8 out of 29 patents)

5. Kazuhisa Hiratani (7 out of 8 patents)

6. Akio Takahashi (6 out of 9 patents)

7. Jun Tsukamoto (5 out of 21 patents)

8. Yoshitsugu Kosugi (5 out of 9 patents)

9. Kazuhisa Murata (5 out of 6 patents)

10. Kichinari Kawamura (5 out of 5 patents)

11. Haruo Takaya (5 out of 6 patents)

12. Fumikazu Ikazaki (5 out of 5 patents)

13. Kunio Uchida (5 out of 5 patents)

14. Akira Iwamoto (5 out of 9 patents)

15. Kazuhiro Sayama (4 out of 10 patents)

Core Competencies:

Heparin-Binding Proteins

Thermophilic Enzymes

Polysilane Production

Micro-Gravity Fabrication

Thermal Heat Switch

Laser Etching

Dye-Sensitized Solar Cells

Wastewater Treatment

Thermostable Enzymes

Hydrogen Production

Oligoglycine Compounds

Carbon Nanotubes

232 patents: Sort by Forward Citations

1. 7282481 - Heparin-binding proteins modified with sugar chains, method of producing the same and pharmaceutical compositions containing same (2007-10-16),

2. 6960454 - Methods for making and using a thermophilic enzyme as a β-glycosidase (2005-11-01),

3. 6610872 - Process for preparing polysilane by catalytic dehydrogenative condensation of organosilane and metal complex catalyst therefor (2003-08-26),

4. 6497762 - Method of fabricating crystal thin plate under micro-gravity environment (2002-12-24),

5. 6443225 - Thermally controlled active heat switch system (2002-09-03),

6. 6362453 - Method of etching transparent solid material with laser beam (2002-03-26),

7. 6278056 - Metal complex useful as sensitizer, dye-sensitized oxide semiconductor electrode and solar cell using same (2001-08-21),

8. 6255081 - Thermostable flap endonuclease derived from hyperthermophile bacterium belonging to the genus pyrococcus (2001-07-03),

9. 6254667 - Method of treating carbon dioxide-containing gas and apparatus therefor (2001-07-03),

10. 6251649 - Thermostable flap endonuclease derived from a hyperthermophile bacterium belonging to the genus pyrococcus (2001-06-26),

11. 6197460 - Rewritable, heat sensitive, color image recording medium and image recording method using same (2001-03-06),

12. 6183554 - Method for preparing dense, epitaxial metal oxide film (2001-02-06),

13. 6175005 - Process for the preparation of cyclic ethers containing an o-silylated hydroxyl group (2001-01-16),

14. 6174512 - Silica mesoporous body and process for preparing same (2001-01-16),

15. 6162894 - Method of treating resin materials to yield oils (2000-12-19),

The Agency of Industrial Science and Technology (AIST) is a Japanese governmental organization responsible for promoting industrial and technological development in Japan. AIST conducts research and development activities in various fields, including materials science, biotechnology, robotics, and nanotechnology, to contribute to the advancement of industries and society. With a vision to become a leading global research and development institute, AIST collaborates with industry, academia, and other research institutions to foster innovation and realize sustainable growth.

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

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USPTO Data Jan 1 1976 - Dec 23 2025

232 Patents

#270 in Tokyo

#611 in Japan

#3,579 in the World

Director-general of Agency of Industrial Science and Technology

Forward Citations = 2,382

535 inventors:

Yutaka Tokiwa (10 out of 16 patents)

Ikuo Matsui (8 out of 13 patents)

Kazuhiko Ishikawa (8 out of 9 patents)

4. Masato Tanaka (8 out of 29 patents)

5. Kazuhisa Hiratani (7 out of 8 patents)

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