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Nihon Spindle Manufacturing Co., Ltd.

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USPTO Granted Patents = 21

% Expired Patents = 9.5

EPO Patents = 13

Trademarks = 2

Forward Citations = 7

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29 inventors (with patents filed for the assignee):

Keiichi Asami (13 out of 13 patents)

Keiichiro Onishi (12 out of 12 patents)

Masahiro Yanagida (3 out of 13 patents)

4. Taichi Sakamoto (3 out of 11 patents)

5. Takashi Mukai (3 out of 35 patents)

6. Yoshihiro Oka (3 out of 4 patents)

7. Yuta Ikeuchi (2 out of 13 patents)

8. Yoshiaki Takada (2 out of 2 patents)

9. Makoto Irie (2 out of 2 patents)

10. Hiroyuki Fukuda (2 out of 7 patents)

11. Masafumi Yamaguchi (2 out of 2 patents)

12. Akira Ueda (2 out of 2 patents)

13. Katsuhiro Masuda (2 out of 2 patents)

14. Naoto Yamashita (1 out of 20 patents)

15. Hiroshi Senoh (1 out of 5 patents)

21 patents: Sort by Forward Citations

1. 12508554 - Dispersion device and powder feed member (2025-12-30),

2. 12508553 - Slurry storage device, slurry production system and slurry storage method (2025-12-30),

3. 12186793 - Spinning device and spinning method (2025-01-07),

4. 12083485 - Slurry manufacturing apparatus and slurry manufacturing method (2024-09-10),

5. 12036523 - Kneading state determination system, kneading state determination device, operation screen of kneading state determination system, and kneading state determination assisting system (2024-07-16),

6. 12013145 - Dry room and method for controlling same (2024-06-18),

7. 11978882 - Method and apparatus for manufacturing active material mixture (2024-05-07),

8. 11925909 - Slurry manufacturing apparatus and method for manufacturing slurry (2024-03-12),

9. 11874019 - Dehumidifying device for dew point temperature adjustment (2024-01-16),

10. 11602882 - Straining mechanism and screw extruder including straining mechanism (2023-03-14),

11. 11547974 - Slurry manufacturing device and operating method for slurry manufacturing device (2023-01-10),

12. 11541361 - Dispersion method and dispersion apparatus for material to be processed and method for producing mixed liquid of material to be processed and dispersion medium produced thereby (2023-01-03),

13. 11458445 - Nanoparticle synthesis apparatus (2022-10-04),

14. 11446844 - Kneading device with a detection unit detecting a dispersion degree (2022-09-20),

15. 11433364 - Slurry production apparatus (2022-09-06),

Company Overview

Nihon Spindle Manufacturing Co., Ltd. is a prominent player in the precision machinery sector, specializing in the development and manufacture of high-quality spindles and related components. The company focuses on advanced engineering solutions for various industries, including automotive and aerospace, emphasizing innovation and reliability in its product offerings. With a strong presence in Hyogo, Japan, Nihon Spindle is committed to enhancing manufacturing processes through cutting-edge technology and expertise in spindle design and performance.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

21 Patents

#42 in Hyogo

#2,867 in Japan

#30,040 in the World

Nihon Spindle Manufacturing Co., Ltd.

Forward Citations = 7

29 inventors:

Keiichi Asami (13 out of 13 patents)

Keiichiro Onishi (12 out of 12 patents)

Masahiro Yanagida (3 out of 13 patents)

4. Taichi Sakamoto (3 out of 11 patents)

5. Takashi Mukai (3 out of 35 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nihon Spindle Manufacturing Co., Ltd.. Retrieved from https://idiyas.com/company/nihon-spindle-manufacturing-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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