For the Inventor, By the Inventor

Enter assignee name

Showa Denko K.k.

USPTO Granted Patents = 1,960

CIPO Patents = 21

EPO Patents = 533

Trademarks = 14

Forward Citations = 10,622

Loading Chart...

Loading Chart...

1,750 inventors (with patents filed for the assignee):

Kazumi Naito (86 out of 112 patents)

Takashi Udagawa (52 out of 74 patents)

Ryuji Monden (48 out of 60 patents)

4. Hiroshi Uchida (43 out of 70 patents)

5. Akira Sakawaki (43 out of 60 patents)

6. Hisayuki Miki (42 out of 56 patents)

7. Hiromoto Ohno (40 out of 43 patents)

8. Masataka Takeuchi (39 out of 47 patents)

9. Toshio Ohi (37 out of 39 patents)

10. Katsumi Murofushi (34 out of 44 patents)

11. Masato Fukushima (32 out of 106 patents)

12. Naohisa Higashiyama (30 out of 42 patents)

13. Tetsuya Kanbe (29 out of 29 patents)

14. Hiroshi Sakai (29 out of 72 patents)

15. Yasuaki Wakizaka (28 out of 28 patents)

Core Competencies:

Aluminum Alloys

Lithium Ion Batteries

Magnetic Sensors

Silicon Carbide

Transparent Conducting Films

Solid Electrolytic Capacitors

Carbon Fiber

Photosensitive Resins

Gas-Barrier Compositions

N-vinyl Carboxylic Acid

Chitin Oligomers

Magnetic Recording Media

1,960 patents: Sort by Forward Citations

1. 12190032 - Material design device, material design method, and material design program (2025-01-07),

2. 12134805 - Aluminum alloy member for forming fluoride film thereon and aluminum alloy member having fluoride film (2024-11-05),

3. 12054811 - Aluminum alloy member for forming fluoride film and aluminum alloy member having fluoride film (2024-08-06),

4. 11906569 - Semiconductor wafer evaluation apparatus and semiconductor wafer manufacturing method (2024-02-20),

5. 11777082 - Negative electrode material for lithium ion secondary batteries, method for manufacturing the same, paste for negative electrode, negative electrode sheet, and lithium ion secondary (2023-10-03),

6. D997802 - Bumper reinforcement for automobile (2023-09-05),

7. 11739405 - Production method of Al—Mg—Si series aluminum alloy forged product (2023-08-29),

8. 11733319 - Magnetic sensor (2023-08-22),

9. 11721493 - Liquid dispersion composition for solid electrolytic capacitor production (2023-08-08),

10. 11719768 - Magnetic sensor and magnetic sensor device (2023-08-08),

11. 11719767 - Magnetic sensor (2023-08-08),

12. 11718579 - Method for producing highly polymerizable N-vinyl carboxylic acid amide monomer (2023-08-08),

13. 11710581 - Transparent conducting film laminate and processing method thereof (2023-07-25),

14. 11708646 - Crucible having an improved crystal growth base for manufacturing silicon carbide single crystal and method of use (2023-07-25),

15. 11708645 - SiC growth apparatus comprised of a base having a plurality of graphite plates having anisotropy of a thermal expansion coefficient and method of manufacturing a SiC crystal using the apparatus (2023-07-25),

SHOWA DENKO K.K. is a leading Japanese chemical company headquartered in Tokyo. Established in 1939, the company operates in various sectors including petrochemicals, chemicals, and inorganic materials. With a strong emphasis on innovation and sustainability, SHOWA DENKO K.K. aims to create new value to contribute to society. The company provides a wide range of products and services globally, catering to diverse industries such as automotive, electronics, and energy.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

1,960 Patents

#58 in Tokyo

#120 in Japan

#505 in the World

Showa Denko K.k.

Forward Citations = 10,622

1,750 inventors:

Kazumi Naito (86 out of 112 patents)

Takashi Udagawa (52 out of 74 patents)

Ryuji Monden (48 out of 60 patents)

4. Hiroshi Uchida (43 out of 70 patents)

5. Akira Sakawaki (43 out of 60 patents)

Please report any incorrect information to support@idiyas.com

Loading…