Growing community of inventors

Yokohama, Japan

Keiji Matsumoto

Average Co-Inventor Count = 2.68

ph-index = 7

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 = 334

Keiji MatsumotoTakashi Sato (162 patents)Keiji MatsumotoKazuhiro Asai (17 patents)Keiji MatsumotoSeiichiro Yaginuma (16 patents)Keiji MatsumotoJun Yamamuro (14 patents)Keiji MatsumotoKoji Sasaki (14 patents)Keiji MatsumotoKenji Fujii (13 patents)Keiji MatsumotoShuji Koyama (11 patents)Keiji MatsumotoMasahisa Watanabe (10 patents)Keiji MatsumotoTakashi Sato (6 patents)Keiji MatsumotoKeiji Watanabe (4 patents)Keiji MatsumotoHiroyuki Mori (4 patents)Keiji MatsumotoMasaki Ohsumi (4 patents)Keiji MatsumotoKazushige Toriyama (4 patents)Keiji MatsumotoAkihiro Horibe (3 patents)Keiji MatsumotoKeishi Okamoto (3 patents)Keiji MatsumotoStefano Sergio Oggioni (2 patents)Keiji MatsumotoThomas J Brunschwiler (2 patents)Keiji MatsumotoShingo Nagata (2 patents)Keiji MatsumotoSakai Yokoyama (2 patents)Keiji MatsumotoGerd Schlottig (2 patents)Keiji MatsumotoKeisuke Kishimoto (2 patents)Keiji MatsumotoTeruo Ozaki (1 patent)Keiji MatsumotoLubomyr Taras Romankiw (1 patent)Keiji MatsumotoBruno Michel (1 patent)Keiji MatsumotoEiji Nakamura (1 patent)Keiji MatsumotoYoichi Taira (1 patent)Keiji MatsumotoTakashi Sato (1 patent)Keiji MatsumotoKoji Sasaki (41 patents)Keiji MatsumotoKunihito Uohashi (18 patents)Keiji MatsumotoRyotaro Murakami (10 patents)Keiji MatsumotoTomohiko Nakano (8 patents)Keiji MatsumotoKeiji Edamatsu (5 patents)Keiji MatsumotoHaruka Nakada (5 patents)Keiji MatsumotoHiroyuki Abo (4 patents)Keiji MatsumotoSayuri Hada (4 patents)Keiji MatsumotoKenta Furusawa (3 patents)Keiji MatsumotoTetsuro Honda (3 patents)Keiji MatsumotoSamuel Frentzel-Beyme (3 patents)Keiji MatsumotoYasumitsu K Orii (2 patents)Keiji MatsumotoMasato Yamada (2 patents)Keiji MatsumotoTakashi Yoshimori (2 patents)Keiji MatsumotoJonas Zuercher (2 patents)Keiji MatsumotoDominic Gschwend (2 patents)Keiji MatsumotoTimo J Tick (2 patents)Keiji MatsumotoYuko Kusaka (2 patents)Keiji MatsumotoPatrick Ruch (1 patent)Keiji MatsumotoKuniaki Sueoka (1 patent)Keiji MatsumotoTaichi Yonemoto (1 patent)Keiji MatsumotoMasataka Nagai (1 patent)Keiji MatsumotoShinji Kishikawa (1 patent)Keiji MatsumotoTetsushi Ishikawa (1 patent)Keiji MatsumotoManabu Otsuka (1 patent)Keiji MatsumotoKei Kawase (1 patent)Keiji MatsumotoTakahito Watanabe (1 patent)Keiji MatsumotoYasuaki Tominaga (1 patent)Keiji MatsumotoGo Tanaka (1 patent)Keiji MatsumotoHiroyuki Shimoyama (1 patent)Keiji MatsumotoSoichi Kawasaki (1 patent)Keiji MatsumotoYoshihiro Kojima (1 patent)Keiji MatsumotoYuji Komori (1 patent)Keiji MatsumotoHirohisa Fujita (1 patent)Keiji MatsumotoKouji Sasaki (1 patent)Keiji MatsumotoKeisuke Taguchi (1 patent)Keiji MatsumotoKeizoh Takeda (1 patent)Keiji MatsumotoKazuya Yonezu (1 patent)Keiji MatsumotoKeiji Matsumoto (70 patents)Takashi SatoTakashi Sato (162 patents)Kazuhiro AsaiKazuhiro Asai (60 patents)Seiichiro YaginumaSeiichiro Yaginuma (26 patents)Jun YamamuroJun Yamamuro (50 patents)Koji SasakiKoji Sasaki (38 patents)Kenji FujiiKenji Fujii (158 patents)Shuji KoyamaShuji Koyama (83 patents)Masahisa WatanabeMasahisa Watanabe (28 patents)Takashi SatoTakashi Sato (82 patents)Keiji WatanabeKeiji Watanabe (104 patents)Hiroyuki MoriHiroyuki Mori (48 patents)Masaki OhsumiMasaki Ohsumi (26 patents)Kazushige ToriyamaKazushige Toriyama (24 patents)Akihiro HoribeAkihiro Horibe (47 patents)Keishi OkamotoKeishi Okamoto (22 patents)Stefano Sergio OggioniStefano Sergio Oggioni (108 patents)Thomas J BrunschwilerThomas J Brunschwiler (90 patents)Shingo NagataShingo Nagata (34 patents)Sakai YokoyamaSakai Yokoyama (28 patents)Gerd SchlottigGerd Schlottig (25 patents)Keisuke KishimotoKeisuke Kishimoto (19 patents)Teruo OzakiTeruo Ozaki (112 patents)Lubomyr Taras RomankiwLubomyr Taras Romankiw (102 patents)Bruno MichelBruno Michel (97 patents)Eiji NakamuraEiji Nakamura (78 patents)Yoichi TairaYoichi Taira (73 patents)Takashi SatoTakashi Sato (55 patents)Koji SasakiKoji Sasaki (41 patents)Kunihito UohashiKunihito Uohashi (18 patents)Ryotaro MurakamiRyotaro Murakami (18 patents)Tomohiko NakanoTomohiko Nakano (9 patents)Keiji EdamatsuKeiji Edamatsu (10 patents)Haruka NakadaHaruka Nakada (5 patents)Hiroyuki AboHiroyuki Abo (15 patents)Sayuri HadaSayuri Hada (12 patents)Kenta FurusawaKenta Furusawa (6 patents)Tetsuro HondaTetsuro Honda (5 patents)Samuel Frentzel-BeymeSamuel Frentzel-Beyme (3 patents)Yasumitsu K OriiYasumitsu K Orii (17 patents)Masato YamadaMasato Yamada (12 patents)Takashi YoshimoriTakashi Yoshimori (6 patents)Jonas ZuercherJonas Zuercher (5 patents)Dominic GschwendDominic Gschwend (2 patents)Timo J TickTimo J Tick (2 patents)Yuko KusakaYuko Kusaka (2 patents)Patrick RuchPatrick Ruch (36 patents)Kuniaki SueokaKuniaki Sueoka (35 patents)Taichi YonemotoTaichi Yonemoto (25 patents)Masataka NagaiMasataka Nagai (21 patents)Shinji KishikawaShinji Kishikawa (19 patents)Tetsushi IshikawaTetsushi Ishikawa (19 patents)Manabu OtsukaManabu Otsuka (17 patents)Kei KawaseKei Kawase (16 patents)Takahito WatanabeTakahito Watanabe (14 patents)Yasuaki TominagaYasuaki Tominaga (11 patents)Go TanakaGo Tanaka (11 patents)Hiroyuki ShimoyamaHiroyuki Shimoyama (9 patents)Soichi KawasakiSoichi Kawasaki (8 patents)Yoshihiro KojimaYoshihiro Kojima (5 patents)Yuji KomoriYuji Komori (5 patents)Hirohisa FujitaHirohisa Fujita (5 patents)Kouji SasakiKouji Sasaki (2 patents)Keisuke TaguchiKeisuke Taguchi (1 patent)Keizoh TakedaKeizoh Takeda (1 patent)Kazuya YonezuKazuya Yonezu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Canon Kabushiki Kaisha (32 from 90,594 patents)

2. International Business Machines Corporation (21 from 164,108 patents)

3. Kabushiki Kaisha Toshiba (9 from 52,711 patents)

4. Nec Corporation (2 from 35,658 patents)

5. Nippon Electric Co., Ltd. (2 from 1,038 patents)

6. Resource Consortium Limited (2 from 69 patents)

7. Other (1 from 832,680 patents)

8. Toshiba Energy Systems & Solutions Corporation (1 from 301 patents)

9. Mindjot Inc. (1 from 1 patent)


70 patents:

1. 11660026 - Restoring a wearable biological sensor

2. 11647954 - Ear device for heat stroke detection

3. 11504968 - Liquid ejection head and liquid ejection apparatus

4. 11227695 - Core catcher and boiling water nuclear plant using the same

5. 11155083 - Member transfer method and manufacturing method for liquid ejection head

6. 10991471 - Emergency core cooling system and boiling water reactor plant using the same

7. 10894409 - Method of manufacturing a liquid ejection head

8. 10744771 - Method of manufacturing liquid ejection head and method of manufacturing structure

9. 10706975 - Operating floor confinement and nuclear plant

10. 10637105 - Battery embedded architecture for supplying appropriate voltage

11. 10625506 - Method for manufacturing liquid discharge head

12. 10500861 - Method for manufacturing liquid ejection head

13. 10497481 - Core catcher and boiling water nuclear plant using the same

14. 10479084 - Method for manufacturing liquid ejection head

15. 10343406 - Liquid ejection head manufacturing method

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12/3/2025
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