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For the Inventor, By the Inventor

Tokyo, Japan

Eiken Kagaku Kabushiki Kaisha


USPTO Granted Patents = 52



Trademarks = 17

Forward Citations = 531

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86 inventors (with patents filed for the assignee):

goldMedal Tsugunori Notomi (11 out of 11 patents)

silverMedal Shingo Saito (6 out of 9 patents)

bronzeMedal Hidetoshi Kanda (6 out of 6 patents)

4.  Kentaro Nagamine (6 out of 9 patents)

5.  Toshihiro Yonekawa (5 out of 6 patents)

6.  Harumi Minekawa (5 out of 6 patents)

7.  Yuji Segawa (4 out of 4 patents)

8.  Hiroaki Hayashi (4 out of 9 patents)

9.  Tetsu Hase (4 out of 4 patents)

10.  Ryota Yasui (3 out of 4 patents)

11.  Mitsuru Makinodan (3 out of 3 patents)

12.  Yoshiharu Ichikawa (3 out of 3 patents)

13.  Keiko Watanabe (3 out of 31 patents)

14.  Yasuyoshi Mori (3 out of 5 patents)

15.  Shinichi Kojiya (3 out of 3 patents)


Core Competencies:
Heme Protein Stabilization
Nucleic Acid Detection
Genetic Testing Devices
Single Nucleotide Polymorphism
Immunoassay Techniques
Polynucleotide Synthesis
Avian Influenza Detection
Hemoglobin Assays
Sample Collection Containers
Antibody Kits
Protein Assay Reagents
Nucleic Acid Amplification

52 patents:

1. 12442728 - Preservative solution for heme protein, and method for stabilizing heme protein (2025-10-14),
2. 12410488 - Method for detecting coronavirus (SARS-CoV-2) (2025-09-09),
3. 12405277 - Hemoglobin assay reagent, assay kit and assay method (2025-09-02),
4. 12215140 - Method of stabilizing protein contained in specimen and solution for stabilizing protein contained in specimen (2025-02-04),
5. 11851701 - Oligonucleotide probe for detecting single nucleotide polymorphisms, and method for determining cis-trans configuration (2023-12-26),
6. 11512343 - Oligonucleotide probe for detecting single nucleotide polymorphism, and method for detecting single nucleotide polymorphism (2022-11-29),
7. 11434533 - Method for detecting target nucleic acid and nucleic acid probe used therein (2022-09-06),
8. 11390911 - Method for detecting a target base sequence (2022-07-19),
9. D956261 - Genetic test device test unit (2022-06-28),
10. 11325116 - Tip set (2022-05-10),
11. 11272907 - Feces sampling sheet (2022-03-15),
12. 11207692 - Reagent cartridge (2021-12-28),
13. 11175292 - Anti-human hemoglobin monoclonal antibody or antibody kit, insoluble carrier particle to which anti-human hemoglobin monoclonal antibody is immobilized, and measurement reagent and measurement method using same (2021-11-16),
14. 11125659 - Preservative solution for heme protein, and method for stabilizing heme protein (2021-09-21),
15. 10876160 - Method for detecting target nucleic acid (2020-12-29),
EIKEN KAGAKU KABUSHIKI KAISHA is a leading Japanese pharmaceutical company. With a rich history of over 80 years, they specialize in the research, development, and manufacturing of high-quality pharmaceutical products. Eiken Kagaku Kabushiki Kaisha strives to improve global health and enhance people's well-being through innovative solutions. For more information about their products and initiatives, please visit their official website.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

52 Patents

#687 in Tokyo

#1,634 in Japan

#13,161 in the World

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Tokyo, Japan

Eiken Kagaku Kabushiki Kaisha

Forward Citations = 531

86 inventors:

goldMedal Tsugunori Notomi (11 out of 11 patents)

silverMedal Shingo Saito (6 out of 9 patents)

bronzeMedal Hidetoshi Kanda (6 out of 6 patents)

4.  Kentaro Nagamine (6 out of 9 patents)

5.  Toshihiro Yonekawa (5 out of 6 patents)

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