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For the Inventor, By the Inventor

Tokyo, Japan

Nippon Oil Corporation


USPTO Granted Patents = 188



Trademarks = 4

Forward Citations = 1,595

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252 inventors (with patents filed for the assignee):

goldMedal Katsuya Takigawa (15 out of 26 patents)

silverMedal Shozaburo Konishi (15 out of 17 patents)

bronzeMedal Kazuhiro Yagishita (15 out of 29 patents)

4.  Kazuo Tagawa (15 out of 29 patents)

5.  Satoshi Suda (14 out of 24 patents)

6.  Yuji Shimomura (13 out of 32 patents)

7.  Tetsuya Uesaka (13 out of 15 patents)

8.  Hideo Yokota (12 out of 72 patents)

9.  Shigeki Matsui (11 out of 30 patents)

10.  Hitoshi Mazaki (11 out of 23 patents)

11.  Ken Sawada (9 out of 44 patents)

12.  Masahiro Hata (9 out of 9 patents)

13.  Hideki Ono (8 out of 63 patents)

14.  Yuichiro Fujiyama (8 out of 15 patents)

15.  Takashi Oyama (8 out of 20 patents)


Core Competencies:
Fluid Catalytic Cracking
Lubricating Oil Composition
Hydrogen Production
Carbon Dioxide Recovery
Hydrorefining Method
Fuel Cell System
Gas Oil Composition
Biomass Treatment
Synthetic Naphtha Manufacturing
Reforming System
Hydroisomerization Catalyst
Transmission Oil Composition

188 patents:

1. 9567531 - Fluid catalytic cracking process, and gasoline and liquefied petroleum gas obtained by the process (2017-02-14),
2. 9321948 - Refrigerator oil and working fluid composition for refrigerator (2016-04-26),
3. 9157046 - Lubricating oil composition (2015-10-13),
4. 9102897 - Lubricating oil composition for transmissions (2015-08-11),
5. 9012380 - Lubricant base oil, lubricant composition for internal combustion engine and lubricant composition for driving force transmitting device (2015-04-21),
6. 8933003 - Multifunctional hydrocarbon oil composition (2015-01-13),
7. 8932714 - Method and apparatus for controlling particle diameter and particle diameter distribution of emulsion particles in emulsion (2015-01-13),
8. 8921287 - Lubricating oil composition (2014-12-30),
9. 8911519 - Method and apparatus for hydrogen production and carbon dioxide recovery (2014-12-16),
10. 8906222 - Management method for wax fraction storage tank (2014-12-09),
11. 8901052 - Transmission oil composition for automobile (2014-12-02),
12. 8877042 - Ancillary cracking of heavy oils in conjunction with FCC unit operations (2014-11-04),
13. 8852822 - Reforming system, fuel cell system, and its operation method (2014-10-07),
14. 8852428 - Hydrorefining method (2014-10-07),
15. 8846589 - Lubricating oil composition for transmission (2014-09-30),
Nippon Oil Corporation is a leading energy company based in Japan. They are engaged in the exploration, production, refining, and distribution of oil and gas products. With a focus on sustainability and innovation, Nippon Oil Corporation is committed to providing reliable and efficient energy solutions to meet the needs of customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

188 Patents

#328 in Tokyo

#719 in Japan

#4,343 in the World

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Tokyo, Japan

Nippon Oil Corporation

Forward Citations = 1,595

252 inventors:

goldMedal Katsuya Takigawa (15 out of 26 patents)

silverMedal Shozaburo Konishi (15 out of 17 patents)

bronzeMedal Kazuhiro Yagishita (15 out of 29 patents)

4.  Kazuo Tagawa (15 out of 29 patents)

5.  Satoshi Suda (14 out of 24 patents)

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