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Nagano Keiki Co., Ltd.

USPTO Granted Patents = 64

EPO Patents = 44

Trademarks = 1

Forward Citations = 276

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97 inventors (with patents filed for the assignee):

Shuji Tohyama (15 out of 17 patents)

Haruhiko Sekiya (7 out of 7 patents)

Atsushi Imai (7 out of 44 patents)

4. Hiroshi Nagasaka (7 out of 8 patents)

5. Takayuki Yokoyama (7 out of 12 patents)

6. Hidebumi Seki (5 out of 5 patents)

7. Naoki Yoshida (5 out of 79 patents)

8. Hiroshi Kodama (5 out of 41 patents)

9. Nobuaki Yamada (5 out of 5 patents)

10. Ikuya Miyahara (5 out of 5 patents)

11. Yusuke Abe (4 out of 22 patents)

12. Hironori Kobayashi (4 out of 54 patents)

13. Hideki Muramatsu (4 out of 5 patents)

14. Eiji Takeda (4 out of 5 patents)

15. Yoshikazu Kaneko (4 out of 18 patents)

Core Competencies:

Optical Sensors

Pressure Sensors

Physical Quantity Measurement

Strain Detectors

Sensor Modules

Corrosion Protection

Flexible Circuit Boards

Ceramic Sensor Modules

Manufacturing Methods

Fluid Pressure Sensors

Electronic Components

Load Sensors

64 patents: Sort by Forward Citations

1. 12104933 - Optical sensor and physical quantity measurement device (2024-10-01),

2. 11940347 - Pressure sensor (2024-03-26),

3. 11598688 - Pressure sensor with increased absolute pressure detection (2023-03-07),

4. 11573144 - Pressure detector with improved deterioration protection (2023-02-07),

5. 11513021 - Physical quantity measuring device with improved cap sealing (2022-11-29),

6. 11346736 - Pressure gauge configured to facilitate battery replacement (2022-05-31),

7. 11293824 - Sensor assembly and physical quantity measuring device (2022-04-05),

8. 11293820 - Physical quantity measurement including improved corrosion protection (2022-04-05),

9. 11085847 - Physical quantity measuring device and manufacturing method of physical quantity measuring device (2021-08-10),

10. 11060936 - Physical quantity measuring device (2021-07-13),

11. 11047754 - Physical quantity measuring device (2021-06-29),

12. 10352809 - Physical quantity measuring device (2019-07-16),

13. 10274388 - Pressure sensor including sensor module having diaphragm and joint attached with the sensor module (2019-04-30),

14. 10175134 - Physical quantity measuring device (2019-01-08),

15. 10151656 - Pressure sensor configured to detect pressure of fluid to be measured that embrittles material (2018-12-11),

NAGANO KEIKI CO., LTD. is a global leader in manufacturing high-quality precision instruments. With over 50 years of experience, we specialize in producing advanced measuring equipment and control systems for various industries. Our products are renowned for their accuracy, reliability, and durability, making us a trusted partner for customers worldwide. From automotive and aerospace to medical and scientific applications, we strive to provide innovative solutions that exceed our customers' expectations. Visit our website to explore our wide range of products and find the perfect solution for your measurement needs.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

64 Patents

#615 in Tokyo

#1,457 in Japan

#11,195 in the World

Nagano Keiki Co., Ltd.

Forward Citations = 276

97 inventors:

Shuji Tohyama (15 out of 17 patents)

Haruhiko Sekiya (7 out of 7 patents)

Atsushi Imai (7 out of 44 patents)

4. Hiroshi Nagasaka (7 out of 8 patents)

5. Takayuki Yokoyama (7 out of 12 patents)

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