Growing community of inventors

Chiba, Japan

Etsuo Nakagawa

Average Co-Inventor Count = 4.93

ph-index = 16

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 = 842

Etsuo NakagawaShuichi Matsui (77 patents)Etsuo NakagawaKazutoshi Miyazawa (71 patents)Etsuo NakagawaFusayuki Takeshita (44 patents)Etsuo NakagawaHiroyuki Takeuchi (39 patents)Etsuo NakagawaTomoyuki Kondo (33 patents)Etsuo NakagawaYasuhiro Kubo (27 patents)Etsuo NakagawaShinichi Sawada (21 patents)Etsuo NakagawaNorihisa Hachiya (20 patents)Etsuo NakagawaYasuko Sekiguchi (20 patents)Etsuo NakagawaYasuhiro Haseba (16 patents)Etsuo NakagawaYasuyuki Goto (15 patents)Etsuo NakagawaTakashi Kato (12 patents)Etsuo NakagawaAtsuko Fujita (12 patents)Etsuo NakagawaTetsuya Matsushita (11 patents)Etsuo NakagawaYoshitaka Tomi (10 patents)Etsuo NakagawaKoichi Shibata (10 patents)Etsuo NakagawaYasusuke Hisatsune (10 patents)Etsuo NakagawaNoriyuki Ohnishi (9 patents)Etsuo NakagawaYasuyuki Koizumi (9 patents)Etsuo NakagawaKatsuyuki Murashiro (8 patents)Etsuo NakagawaNorio Tamura (6 patents)Etsuo NakagawaTugumiti Andou (6 patents)Etsuo NakagawaTomoyuki Kondou (5 patents)Etsuo NakagawaToyoshiro Isoyama (4 patents)Etsuo NakagawaMotoki Yanai (4 patents)Etsuo NakagawaKouki Sagou (3 patents)Etsuo NakagawaKatsuhiko Kobayashi (3 patents)Etsuo NakagawaMasaru Niwano (3 patents)Etsuo NakagawaHiroyuki Tekeuchi (3 patents)Etsuo NakagawaShizuo Murata (2 patents)Etsuo NakagawaYasuyuki Sasada (2 patents)Etsuo NakagawaHiroaki Fujita (2 patents)Etsuo NakagawaToshiya Sawai (2 patents)Etsuo NakagawaMasaharu Hayakawa (2 patents)Etsuo NakagawaMasaaki Yazawa (2 patents)Etsuo NakagawaKouji Koga (2 patents)Etsuo NakagawaHenry Bernhardt (2 patents)Etsuo NakagawaNoriyuki Onishi (2 patents)Etsuo NakagawaTetsushi Yamamoto (2 patents)Etsuo NakagawaKatsuyuki Kawano (2 patents)Etsuo NakagawaSeiji Oikawa (2 patents)Etsuo NakagawaTakashi Yamaguchi (1 patent)Etsuo NakagawaHiroyuki Sato (1 patent)Etsuo NakagawaYuichi Onji (1 patent)Etsuo NakagawaMasatoshi Fukushima (1 patent)Etsuo NakagawaMayumi Furuya (1 patent)Etsuo NakagawaJiro I (1 patent)Etsuo NakagawaTakahiro Miyairi (1 patent)Etsuo NakagawaToshihiko Muraoka (1 patent)Etsuo NakagawaKouichi Shibata (1 patent)Etsuo NakagawaTsugumichi Ando (1 patent)Etsuo NakagawaKoji Koga (1 patent)Etsuo NakagawaYoshiji Egami (1 patent)Etsuo NakagawaMakoto Tanimoto (1 patent)Etsuo NakagawaYoshitaka Yagi (1 patent)Etsuo NakagawaTestushi Yamamoto (1 patent)Etsuo NakagawaNaoko Ota (1 patent)Etsuo NakagawaDietrich Demus (1 patent)Etsuo NakagawaNobumasa Nakamura (1 patent)Etsuo NakagawaEtsuo Nakagawa (120 patents)Shuichi MatsuiShuichi Matsui (93 patents)Kazutoshi MiyazawaKazutoshi Miyazawa (136 patents)Fusayuki TakeshitaFusayuki Takeshita (63 patents)Hiroyuki TakeuchiHiroyuki Takeuchi (107 patents)Tomoyuki KondoTomoyuki Kondo (37 patents)Yasuhiro KuboYasuhiro Kubo (37 patents)Shinichi SawadaShinichi Sawada (36 patents)Norihisa HachiyaNorihisa Hachiya (20 patents)Yasuko SekiguchiYasuko Sekiguchi (20 patents)Yasuhiro HasebaYasuhiro Haseba (42 patents)Yasuyuki GotoYasuyuki Goto (90 patents)Takashi KatoTakashi Kato (44 patents)Atsuko FujitaAtsuko Fujita (28 patents)Tetsuya MatsushitaTetsuya Matsushita (16 patents)Yoshitaka TomiYoshitaka Tomi (24 patents)Koichi ShibataKoichi Shibata (19 patents)Yasusuke HisatsuneYasusuke Hisatsune (11 patents)Noriyuki OhnishiNoriyuki Ohnishi (31 patents)Yasuyuki KoizumiYasuyuki Koizumi (18 patents)Katsuyuki MurashiroKatsuyuki Murashiro (22 patents)Norio TamuraNorio Tamura (9 patents)Tugumiti AndouTugumiti Andou (6 patents)Tomoyuki KondouTomoyuki Kondou (7 patents)Toyoshiro IsoyamaToyoshiro Isoyama (27 patents)Motoki YanaiMotoki Yanai (23 patents)Kouki SagouKouki Sagou (9 patents)Katsuhiko KobayashiKatsuhiko Kobayashi (5 patents)Masaru NiwanoMasaru Niwano (3 patents)Hiroyuki TekeuchiHiroyuki Tekeuchi (3 patents)Shizuo MurataShizuo Murata (34 patents)Yasuyuki SasadaYasuyuki Sasada (33 patents)Hiroaki FujitaHiroaki Fujita (26 patents)Toshiya SawaiToshiya Sawai (15 patents)Masaharu HayakawaMasaharu Hayakawa (5 patents)Masaaki YazawaMasaaki Yazawa (3 patents)Kouji KogaKouji Koga (2 patents)Henry BernhardtHenry Bernhardt (2 patents)Noriyuki OnishiNoriyuki Onishi (2 patents)Tetsushi YamamotoTetsushi Yamamoto (2 patents)Katsuyuki KawanoKatsuyuki Kawano (2 patents)Seiji OikawaSeiji Oikawa (2 patents)Takashi YamaguchiTakashi Yamaguchi (87 patents)Hiroyuki SatoHiroyuki Sato (41 patents)Yuichi OnjiYuichi Onji (10 patents)Masatoshi FukushimaMasatoshi Fukushima (5 patents)Mayumi FuruyaMayumi Furuya (4 patents)Jiro IJiro I (2 patents)Takahiro MiyairiTakahiro Miyairi (2 patents)Toshihiko MuraokaToshihiko Muraoka (1 patent)Kouichi ShibataKouichi Shibata (1 patent)Tsugumichi AndoTsugumichi Ando (1 patent)Koji KogaKoji Koga (1 patent)Yoshiji EgamiYoshiji Egami (1 patent)Makoto TanimotoMakoto Tanimoto (1 patent)Yoshitaka YagiYoshitaka Yagi (1 patent)Testushi YamamotoTestushi Yamamoto (1 patent)Naoko OtaNaoko Ota (1 patent)Dietrich DemusDietrich Demus (1 patent)Nobumasa NakamuraNobumasa Nakamura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chisso Corporation (111 from 1,109 patents)

2. Other (9 from 831,952 patents)

3. Chisso Petrochemical Corporation (1 from 148 patents)


120 patents:

1. 7081279 - Alkenyl compound having a negative Δε value, liquid crystal composition, and liquid crystal display device

2. 6864397 - Difluoromethyl ether derivative and process for producing the same

3. 6827876 - Difluoromethyl ether derivative and process for producing the same

4. 6692657 - Alkenyl compound having a negative &Dgr;&egr; value, liquid crystal composition, and liquid crystal display device

5. 6685995 - Ester compounds, liquid crystal compositions and liquid crystal display devices

6. 6649227 - Difluorovinyl compound, liquid crystal composition and liquid crystal display

7. 6605747 - Difluoromethyl ether derivative and process for producing the same

8. 6599590 - Fluoro-substituted alkenyl compounds, liquid crystal compositions, and liquid crystal display elements

9. 6596349 - Terphenyl derivative, liquid crystal composition and liquid crystal display device

10. 6579577 - Substituted benzene derivative, liquid crystal composition, and liquid crystal display element

11. 6576303 - Liquid crystal compounds exhibiting negative anisotropy of permittivity

12. 6572938 - Liquid crystal composition and liquid crystal display device

13. 6558758 - Liquid crystal composition and liquid crystal display element

14. 6555185 - Terphenyl derivative, liquid crystal composition and liquid crystal display device

15. 6548126 - 2,3-difluorophenyl derivative having negative dielectric anisotropy, liquid crystal composition, and liquid crystal display device

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9/10/2025
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