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Kawasaki-shi, Japan

Asai Germanium Research Institute Co., Ltd.

USPTO Granted Patents = 14

EPO Patents = 1

Trademarks = 1

Forward Citations = 19

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31 inventors (with patents filed for the assignee):

Norihiro Kakimoto (11 out of 21 patents)

Kunie Nakamura (6 out of 6 patents)

Kazuo Kumano (3 out of 3 patents)

4. Toru Yoshihara (2 out of 33 patents)

5. Mitsuo Akiba (2 out of 2 patents)

6. Keiji Umeda (2 out of 3 patents)

7. Hiroyuki Kobayashi (1 out of 109 patents)

8. Toshihiko Osawa (1 out of 13 patents)

9. Hiroshi Satoh (1 out of 58 patents)

10. Keiji Umeda (1 out of 5 patents)

11. Yositaka Nadachi (1 out of 2 patents)

12. Katsunobu Sakai (1 out of 1 patent)

13. Yukitaka Nogami (1 out of 1 patent)

14. Masahiko Sudo (1 out of 1 patent)

15. Mikio Miyata (1 out of 2 patents)

14 patents: Sort by Forward Citations

1. 11981693 - Organogermanium compound (2024-05-14),

2. 8044177 - Water-soluble keratin derivative and use thereof (2011-10-25),

3. 6787117 - Porous hollow fiber membrane having chelate formability and method for recovery of germanium oxide using the porous hollow fiber membrane (2004-09-07),

4. 6323038 - Diagnostic reagent for complications associated with diabetes or renal failure (2001-11-27),

5. 5877311 - Process for isomerization of compound of aldose structure into compound (1999-03-02),

6. 5744023 - Method for separation and recovery of organogermanium compound (1998-04-28),

7. 5352815 - Agent for suppression and interception of mailard reaction (1994-10-04),

8. 5118679 - Agent for preventing and treating opacity of lens (1992-06-02),

9. 5041577 - Organogermanium compounds, processes for producing the same, and agent (1991-08-20),

10. 5006553 - Agent for improving reduced functions of organs caused by inhibited (1991-04-09),

11. 5002968 - Activator for osteoblasts (1991-03-26),

12. 4977287 - Organogermanium compounds and process for producing the same (1990-12-11),

13. 4956272 - Organogermanium containing solution for washing and storing separated (1990-09-11),

14. 4919917 - Agent for reducing nephrotoxicity caused by cyclosporin administration (1990-04-24),

Asai Germanium Research Institute Co., Ltd. is a leading company in the field of germanium research and development. With over 20 years of experience, the company specializes in the production of germanium-based materials for various industries including electronics, optics, and healthcare. Asai Germanium Research Institute has a strong commitment to technological innovation and quality control, ensuring the delivery of high-quality germanium products to customers worldwide.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

14 Patents

#6 in Kawasaki-shi

#3,485 in Japan

#40,882 in the World

Kawasaki-shi, Japan

Asai Germanium Research Institute Co., Ltd.

Forward Citations = 19

31 inventors:

Norihiro Kakimoto (11 out of 21 patents)

Kunie Nakamura (6 out of 6 patents)

Kazuo Kumano (3 out of 3 patents)

4. Toru Yoshihara (2 out of 33 patents)

5. Mitsuo Akiba (2 out of 2 patents)

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