Growing community of inventors

Tokyo, Japan

Ryoji Ida

Average Co-Inventor Count = 4.56

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 11

Ryoji IdaShinichiro Yanagawa (14 patents)Ryoji IdaMasahide Kobayashi (12 patents)Ryoji IdaYasuyuki Iwasa (10 patents)Ryoji IdaSusumu Yasui (5 patents)Ryoji IdaYoshishige Sugi (5 patents)Ryoji IdaAtsushi Fukui (5 patents)Ryoji IdaAtsuro Nagumo (3 patents)Ryoji IdaYukihiro Yoshiwara (2 patents)Ryoji IdaYuichiro Fujiyama (2 patents)Ryoji IdaAkira Utatsu (2 patents)Ryoji IdaYasuhiro Watanabe (1 patent)Ryoji IdaAtsushi Segawa (1 patent)Ryoji IdaYasuhiro Araki (1 patent)Ryoji IdaMayumi Yokoi (1 patent)Ryoji IdaMasanari Akiyama (1 patent)Ryoji IdaTakashi Aozasa (1 patent)Ryoji IdaShinji Hyodo (1 patent)Ryoji IdaRyoji Ida (15 patents)Shinichiro YanagawaShinichiro Yanagawa (30 patents)Masahide KobayashiMasahide Kobayashi (41 patents)Yasuyuki IwasaYasuyuki Iwasa (20 patents)Susumu YasuiSusumu Yasui (8 patents)Yoshishige SugiYoshishige Sugi (8 patents)Atsushi FukuiAtsushi Fukui (8 patents)Atsuro NagumoAtsuro Nagumo (12 patents)Yukihiro YoshiwaraYukihiro Yoshiwara (4 patents)Yuichiro FujiyamaYuichiro Fujiyama (2 patents)Akira UtatsuAkira Utatsu (2 patents)Yasuhiro WatanabeYasuhiro Watanabe (31 patents)Atsushi SegawaAtsushi Segawa (10 patents)Yasuhiro ArakiYasuhiro Araki (8 patents)Mayumi YokoiMayumi Yokoi (5 patents)Masanari AkiyamaMasanari Akiyama (2 patents)Takashi AozasaTakashi Aozasa (1 patent)Shinji HyodoShinji Hyodo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Jx Nippon Oil Energy Corporation (12 from 331 patents)

2. Chiyoda Corporation (6 from 168 patents)

3. Eneos Corporation (2 from 135 patents)

4. Jx Nippon Oil & Energy Company (1 from 1 patent)


15 patents:

1. 11066343 - Method for producing p-xylene

2. 10851313 - Method of producing lower olefin and monocyclic aromatic hydrocarbon having 6 to 8 carbon atoms and device for producing lower olefin and monocyclic aromatic hydrocarbon having 6 to 8 carbon atoms

3. 9862654 - Method for producing xylene

4. 9845433 - Method for producing olefins and monocyclic aromatic hydrocarbons by a combination of steam cracking, dicyclopentadiene reduction, and cracking and reforming

5. 9828309 - Method for producing monocyclic aromatic hydrocarbons

6. 9815047 - Catalyst for producing monocyclic aromatic hydrocarbon and production method of monocyclic aromatic hydrocarbon

7. 9776934 - Method for producing monocyclic aromatic hydrocarbons

8. 9573864 - Method of producing monocyclic aromatic hydrocarbons

9. 9487457 - Method for producing monocyclic aromatic hydrocarbons

10. 9446997 - Method for producing aromatic hydrocarbons

11. 9394221 - Method for manufacturing benzenetetracarboxylic acid

12. 9382174 - Method for producing monocyclic aromatic hydrocarbons

13. 9382173 - Method of producing single-ring aromatic hydrocarbons

14. 9382484 - Production method of monocyclic aromatic hydrocarbons

15. 9233892 - Method for producing monocyclic aromatic hydrocarbons

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12/4/2025
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