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Nippondenso Co., Ltd.

USPTO Granted Patents = 3,252

CIPO Patents = 3

Forward Citations = 65,926

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3,598 inventors (with patents filed for the assignee):

Tadashi Hattori (62 out of 224 patents)

Kazuma Matsui (51 out of 56 patents)

Yoshiyuki Hattori (42 out of 75 patents)

4. Tsutomu Shiga (40 out of 139 patents)

5. Shigenori Isomura (40 out of 49 patents)

6. Toshio Kondo (38 out of 63 patents)

7. Mitsunori Takao (36 out of 37 patents)

8. Nobuei Ito (34 out of 52 patents)

9. Masakazu Ninomiya (34 out of 35 patents)

10. Norio Omori (32 out of 32 patents)

11. Kenichi Fujiwara (31 out of 41 patents)

12. Toshihiro Takei (31 out of 50 patents)

13. Tetsuo Fujii (30 out of 112 patents)

14. Masami Niimi (30 out of 112 patents)

15. Nobuyuki Hayashi (30 out of 36 patents)

Core Competencies:

Semiconductor Device

Ignition Coil

Oxygen Sensor

Thin-Film Resistor

Electroluminescent Device

Spark Plug

Automotive Control

Electronic Component

Cooling Apparatus

Heat Exchanger

Pipeline Processing

Dynamical Quantity Sensor

3,252 patents: Sort by Forward Citations

1. RE38464 - Alternating current generator having a plurality of independent three-phase windings (2004-03-16),

2. 6650221 - Ignition coil for an internal combustion engine (2003-11-18),

3. 6463803 - Semiconductor mechanical sensor (2002-10-15),

4. 6365458 - Semiconductor memory device and method of manufacturing the same (2002-04-02),

5. 6348735 - Electrode for semiconductor device and method for manufacturing same (2002-02-19),

6. 6337249 - Semiconductor device and fabrication process thereof (2002-01-08),

7. 6314790 - Oxygen concentration detecting apparatus (2001-11-13),

8. 6309579 - Method for forming a casting which includes an insert (2001-10-30),

9. 6308263 - Pipeline processing apparatus for reducing delays in the performance of processing operations (2001-10-23),

10. 6304957 - Multitask processing unit (2001-10-16),

11. 6291945 - Discharge lamp lighting device (2001-09-18),

12. 6287933 - Semiconductor device having thin film resistor and method of producing same (2001-09-11),

13. 6286914 - Automotive brake fluid pressure control apparatus (2001-09-11),

14. 6267072 - Indicating instrument (2001-07-31),

15. 6262531 - Thin-film El display panel having uniform display characteristics (2001-07-17),

Company Overview

Nippondenso Co., Ltd., headquartered in Kariya, Japan, is a prominent player in the semiconductor technology sector. The company specializes in the development and manufacturing of a wide range of automotive components, including semiconductor devices, ignition coils, oxygen sensors, and spark plugs. With a strong focus on innovation, Nippondenso also engages in advanced research in areas such as automotive control systems and electronic components, contributing significantly to the evolution of automotive technology and enhancing vehicle performance.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3,252 Patents

#3 in Kariya

#73 in Japan

#287 in the World

Nippondenso Co., Ltd.

Forward Citations = 65,926

3,598 inventors:

Tadashi Hattori (62 out of 224 patents)

Kazuma Matsui (51 out of 56 patents)

Yoshiyuki Hattori (42 out of 75 patents)

4. Tsutomu Shiga (40 out of 139 patents)

5. Shigenori Isomura (40 out of 49 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippondenso Co., Ltd.. Retrieved from https://idiyas.com/company/nippondenso-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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