Growing community of inventors

Matsumoto, Japan

Eiji Kumai

Average Co-Inventor Count = 2.22

ph-index = 5

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 = 161

Eiji KumaiTsuneyuki Sasaki (8 patents)Eiji KumaiShuichiro Nakano (5 patents)Eiji KumaiNorihiro Yamashita (4 patents)Eiji KumaiOsamu Hara (4 patents)Eiji KumaiShoji Akatsu (4 patents)Eiji KumaiYuta Tsukada (4 patents)Eiji KumaiYasuo Naramatsu (3 patents)Eiji KumaiKenichi Kanbayashi (3 patents)Eiji KumaiTakashi Akahane (2 patents)Eiji KumaiTsuyoshi Tomii (2 patents)Eiji KumaiMasatomo Kanamitsu (2 patents)Eiji KumaiYoji Takahashi (2 patents)Eiji KumaiMasahiro Akamine (2 patents)Eiji KumaiTohru Fukushima (2 patents)Eiji KumaiAtsushi Kobayashi (1 patent)Eiji KumaiToshio Kumagai (1 patent)Eiji KumaiTsuyoshi Kitahara (1 patent)Eiji KumaiNobumasa Abe (1 patent)Eiji KumaiKazutoshi Fujisawa (1 patent)Eiji KumaiSatoshi Fujioka (1 patent)Eiji KumaiTakashi Suzuki (1 patent)Eiji KumaiKazuo Saito (1 patent)Eiji KumaiTakayuki Kawakami (1 patent)Eiji KumaiOsamu Murayama (1 patent)Eiji KumaiHiroshi Asawa (1 patent)Eiji KumaiKohji Watanabe (1 patent)Eiji KumaiHiromu Hirabayashi (1 patent)Eiji KumaiHiroshi Yoshida (1 patent)Eiji KumaiToru Fukushima (1 patent)Eiji KumaiAtsushi Majima (1 patent)Eiji KumaiSaburo Furukawa (1 patent)Eiji KumaiAkira Takagi (1 patent)Eiji KumaiTeruhiko Wakabayashi (1 patent)Eiji KumaiYasuhiro Mita (1 patent)Eiji KumaiEiji Kumai (34 patents)Tsuneyuki SasakiTsuneyuki Sasaki (88 patents)Shuichiro NakanoShuichiro Nakano (22 patents)Norihiro YamashitaNorihiro Yamashita (19 patents)Osamu HaraOsamu Hara (15 patents)Shoji AkatsuShoji Akatsu (9 patents)Yuta TsukadaYuta Tsukada (4 patents)Yasuo NaramatsuYasuo Naramatsu (12 patents)Kenichi KanbayashiKenichi Kanbayashi (11 patents)Takashi AkahaneTakashi Akahane (36 patents)Tsuyoshi TomiiTsuyoshi Tomii (17 patents)Masatomo KanamitsuMasatomo Kanamitsu (12 patents)Yoji TakahashiYoji Takahashi (11 patents)Masahiro AkamineMasahiro Akamine (5 patents)Tohru FukushimaTohru Fukushima (5 patents)Atsushi KobayashiAtsushi Kobayashi (198 patents)Toshio KumagaiToshio Kumagai (129 patents)Tsuyoshi KitaharaTsuyoshi Kitahara (77 patents)Nobumasa AbeNobumasa Abe (60 patents)Kazutoshi FujisawaKazutoshi Fujisawa (44 patents)Satoshi FujiokaSatoshi Fujioka (43 patents)Takashi SuzukiTakashi Suzuki (37 patents)Kazuo SaitoKazuo Saito (18 patents)Takayuki KawakamiTakayuki Kawakami (18 patents)Osamu MurayamaOsamu Murayama (16 patents)Hiroshi AsawaHiroshi Asawa (14 patents)Kohji WatanabeKohji Watanabe (9 patents)Hiromu HirabayashiHiromu Hirabayashi (8 patents)Hiroshi YoshidaHiroshi Yoshida (8 patents)Toru FukushimaToru Fukushima (8 patents)Atsushi MajimaAtsushi Majima (6 patents)Saburo FurukawaSaburo Furukawa (6 patents)Akira TakagiAkira Takagi (6 patents)Teruhiko WakabayashiTeruhiko Wakabayashi (2 patents)Yasuhiro MitaYasuhiro Mita (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seiko Epson Corporation (34 from 33,464 patents)


34 patents:

1. 11932005 - Transportation device and recording apparatus

2. 11413885 - Transportation device and recording apparatus

3. 10543702 - Transportation device and recording apparatus

4. 10150314 - Liquid ejecting apparatus and tension applying method

5. 9908348 - Liquid ejecting apparatus

6. 9682575 - Liquid discharging apparatus

7. 9617106 - Liquid ejecting apparatus and tension applying method

8. 9527312 - Liquid discharging apparatus

9. 9487030 - Medium holding member and recording apparatus

10. 9446609 - Cutter device and printing apparatus

11. 9446613 - Medium supporting device and liquid ejecting apparatus

12. 9387699 - Liquid ejecting apparatus

13. 9346289 - Printing apparatus

14. 9302501 - Printing apparatus

15. 9302503 - Recording apparatus

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