Growing community of inventors

Kanagawa, Japan

Kei Takahashi

Average Co-Inventor Count = 2.40

ph-index = 15

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 = 2,078

Kei TakahashiShunpei Yamazaki (85 patents)Kei TakahashiKoji Kusunoki (42 patents)Kei TakahashiKouhei Toyotaka (41 patents)Kei TakahashiHiroyuki Miyake (40 patents)Kei TakahashiSusumu Kawashima (35 patents)Kei TakahashiJun Koyama (29 patents)Kei TakahashiKazunori Watanabe (26 patents)Kei TakahashiJunpei Momo (16 patents)Kei TakahashiYoshiaki Ito (16 patents)Kei TakahashiTakayuki Ikeda (12 patents)Kei TakahashiHidetomo Kobayashi (12 patents)Kei TakahashiHiroki Inoue (12 patents)Kei TakahashiMinoru Takahashi (12 patents)Kei TakahashiMasashi Tsubuku (11 patents)Kei TakahashiKosei Noda (11 patents)Kei TakahashiYuki Okamoto (11 patents)Kei TakahashiMasaaki Hiroki (10 patents)Kei TakahashiHideaki Kuwabara (9 patents)Kei TakahashiIkuo Yamano (9 patents)Kei TakahashiHideaki Shishido (8 patents)Kei TakahashiKensuke Yoshizumi (8 patents)Kei TakahashiYoshifumi Tanada (7 patents)Kei TakahashiTsuyoshi Ishikawa (7 patents)Kei TakahashiTakeshi Aoki (7 patents)Kei TakahashiYuichi Yanagisawa (7 patents)Kei TakahashiYoshiyuki Kurokawa (6 patents)Kei TakahashiMunehiro Kozuma (6 patents)Kei TakahashiKazuhiko Miyata (6 patents)Kei TakahashiTakahiko Ishizu (5 patents)Kei TakahashiJunichi Shimizu (5 patents)Kei TakahashiTakuya Kawata (4 patents)Kei TakahashiRoh Yamamoto (4 patents)Kei TakahashiTakanori Matsuzaki (3 patents)Kei TakahashiTakeshi Osada (3 patents)Kei TakahashiRyota Tajima (3 patents)Kei TakahashiToshiyuki Isa (3 patents)Kei TakahashiTakahiro Fukutome (3 patents)Kei TakahashiRyota Fukumoto (3 patents)Kei TakahashiYuto Yakubo (3 patents)Kei TakahashiTatsuji Nishijima (3 patents)Kei TakahashiJunichi Nagahara (3 patents)Kei TakahashiTomoo Mizukami (3 patents)Kei TakahashiKentaro Hayashi (3 patents)Kei TakahashiRyu Aoyama (3 patents)Kei TakahashiSatoshi Seo (2 patents)Kei TakahashiHajime Kimura (2 patents)Kei TakahashiHidekazu Miyairi (2 patents)Kei TakahashiHideto Ohnuma (2 patents)Kei TakahashiDaisuke Kubota (2 patents)Kei TakahashiSatoshi Murakami (2 patents)Kei TakahashiHiromichi Godo (2 patents)Kei TakahashiTatsuya Onuki (2 patents)Kei TakahashiShunichi Kasahara (2 patents)Kei TakahashiTsubasa Tsukahara (2 patents)Kei TakahashiShinichi Kawano (2 patents)Kei TakahashiKoichiro Kamata (2 patents)Kei TakahashiYasushi Okumura (2 patents)Kei TakahashiJun Kimura (2 patents)Kei TakahashiYuji Iwaki (2 patents)Kei TakahashiMasataka Nakada (2 patents)Kei TakahashiKazuo Nishi (2 patents)Kei TakahashiMasato Ishii (2 patents)Kei TakahashiYoshihito Ohki (2 patents)Kei TakahashiTomohiro Tsunoda (2 patents)Kei TakahashiMayumi Mikami (2 patents)Kei TakahashiYosuke Tsukamoto (2 patents)Kei TakahashiShuhei Maeda (2 patents)Kei TakahashiRyouhei Yasuda (2 patents)Kei TakahashiKiyotaka Kimura (2 patents)Kei TakahashiShigeru Onoya (2 patents)Kei TakahashiAyumi Kato (2 patents)Kei TakahashiNaoki Izumimoto (2 patents)Kei TakahashiShintaro Harada (2 patents)Kei TakahashiMitsuaki Osame (1 patent)Kei TakahashiHisao Ikeda (1 patent)Kei TakahashiNaoto Kusumoto (1 patent)Kei TakahashiJunya Maruyama (1 patent)Kei TakahashiHideyuki Suzuki (1 patent)Kei TakahashiAtsushi Miyaguchi (1 patent)Kei TakahashiHideo Nagasaka (1 patent)Kei TakahashiKohei Yokoyama (1 patent)Kei TakahashiYohei Momma (1 patent)Kei TakahashiTomoyuki Iwabuchi (1 patent)Kei TakahashiSheng Wang (1 patent)Kei TakahashiTamae Moriwaka (1 patent)Kei TakahashiAyako Iwase (1 patent)Kei TakahashiMasaru Fujii (1 patent)Kei TakahashiHiroyuki Mizunuma (1 patent)Kei TakahashiMasaaki Saito (1 patent)Kei TakahashiMizuki Sato (1 patent)Kei TakahashiAyumi Nakagawa (1 patent)Kei TakahashiJunji Kato (1 patent)Kei TakahashiNaoaki Tsutsui (1 patent)Kei TakahashiTakeya Hirose (1 patent)Kei TakahashiSatoshi Yoshimoto (1 patent)Kei TakahashiHaruo Ikeda (1 patent)Kei TakahashiYasushi Aoyagi (1 patent)Kei TakahashiTakehisa Sato (1 patent)Kei TakahashiSatoshi Nagai (1 patent)Kei TakahashiLyo Takaoka (1 patent)Kei TakahashiKei Takahashi (305 patents)Shunpei YamazakiShunpei Yamazaki (6,636 patents)Koji KusunokiKoji Kusunoki (171 patents)Kouhei ToyotakaKouhei Toyotaka (152 patents)Hiroyuki MiyakeHiroyuki Miyake (502 patents)Susumu KawashimaSusumu Kawashima (111 patents)Jun KoyamaJun Koyama (1,512 patents)Kazunori WatanabeKazunori Watanabe (170 patents)Junpei MomoJunpei Momo (115 patents)Yoshiaki ItoYoshiaki Ito (81 patents)Takayuki IkedaTakayuki Ikeda (290 patents)Hidetomo KobayashiHidetomo Kobayashi (95 patents)Hiroki InoueHiroki Inoue (89 patents)Minoru TakahashiMinoru Takahashi (62 patents)Masashi TsubukuMasashi Tsubuku (225 patents)Kosei NodaKosei Noda (158 patents)Yuki OkamotoYuki Okamoto (87 patents)Masaaki HirokiMasaaki Hiroki (247 patents)Hideaki KuwabaraHideaki Kuwabara (283 patents)Ikuo YamanoIkuo Yamano (171 patents)Hideaki ShishidoHideaki Shishido (134 patents)Kensuke YoshizumiKensuke Yoshizumi (127 patents)Yoshifumi TanadaYoshifumi Tanada (161 patents)Tsuyoshi IshikawaTsuyoshi Ishikawa (93 patents)Takeshi AokiTakeshi Aoki (82 patents)Yuichi YanagisawaYuichi Yanagisawa (43 patents)Yoshiyuki KurokawaYoshiyuki Kurokawa (481 patents)Munehiro KozumaMunehiro Kozuma (109 patents)Kazuhiko MiyataKazuhiko Miyata (20 patents)Takahiko IshizuTakahiko Ishizu (68 patents)Junichi ShimizuJunichi Shimizu (16 patents)Takuya KawataTakuya Kawata (35 patents)Roh YamamotoRoh Yamamoto (21 patents)Takanori MatsuzakiTakanori Matsuzaki (140 patents)Takeshi OsadaTakeshi Osada (136 patents)Ryota TajimaRyota Tajima (124 patents)Toshiyuki IsaToshiyuki Isa (62 patents)Takahiro FukutomeTakahiro Fukutome (51 patents)Ryota FukumotoRyota Fukumoto (47 patents)Yuto YakuboYuto Yakubo (45 patents)Tatsuji NishijimaTatsuji Nishijima (42 patents)Junichi NagaharaJunichi Nagahara (26 patents)Tomoo MizukamiTomoo Mizukami (24 patents)Kentaro HayashiKentaro Hayashi (20 patents)Ryu AoyamaRyu Aoyama (15 patents)Satoshi SeoSatoshi Seo (1,248 patents)Hajime KimuraHajime Kimura (940 patents)Hidekazu MiyairiHidekazu Miyairi (279 patents)Hideto OhnumaHideto Ohnuma (256 patents)Daisuke KubotaDaisuke Kubota (197 patents)Satoshi MurakamiSatoshi Murakami (188 patents)Hiromichi GodoHiromichi Godo (148 patents)Tatsuya OnukiTatsuya Onuki (117 patents)Shunichi KasaharaShunichi Kasahara (114 patents)Tsubasa TsukaharaTsubasa Tsukahara (91 patents)Shinichi KawanoShinichi Kawano (82 patents)Koichiro KamataKoichiro Kamata (82 patents)Yasushi OkumuraYasushi Okumura (78 patents)Jun KimuraJun Kimura (77 patents)Yuji IwakiYuji Iwaki (70 patents)Masataka NakadaMasataka Nakada (64 patents)Kazuo NishiKazuo Nishi (64 patents)Masato IshiiMasato Ishii (55 patents)Yoshihito OhkiYoshihito Ohki (48 patents)Tomohiro TsunodaTomohiro Tsunoda (41 patents)Mayumi MikamiMayumi Mikami (39 patents)Yosuke TsukamotoYosuke Tsukamoto (28 patents)Shuhei MaedaShuhei Maeda (28 patents)Ryouhei YasudaRyouhei Yasuda (25 patents)Kiyotaka KimuraKiyotaka Kimura (16 patents)Shigeru OnoyaShigeru Onoya (15 patents)Ayumi KatoAyumi Kato (14 patents)Naoki IzumimotoNaoki Izumimoto (14 patents)Shintaro HaradaShintaro Harada (13 patents)Mitsuaki OsameMitsuaki Osame (280 patents)Hisao IkedaHisao Ikeda (254 patents)Naoto KusumotoNaoto Kusumoto (230 patents)Junya MaruyamaJunya Maruyama (202 patents)Hideyuki SuzukiHideyuki Suzuki (152 patents)Atsushi MiyaguchiAtsushi Miyaguchi (83 patents)Hideo NagasakaHideo Nagasaka (72 patents)Kohei YokoyamaKohei Yokoyama (64 patents)Yohei MommaYohei Momma (50 patents)Tomoyuki IwabuchiTomoyuki Iwabuchi (49 patents)Sheng WangSheng Wang (40 patents)Tamae MoriwakaTamae Moriwaka (36 patents)Ayako IwaseAyako Iwase (34 patents)Masaru FujiiMasaru Fujii (34 patents)Hiroyuki MizunumaHiroyuki Mizunuma (33 patents)Masaaki SaitoMasaaki Saito (28 patents)Mizuki SatoMizuki Sato (27 patents)Ayumi NakagawaAyumi Nakagawa (20 patents)Junji KatoJunji Kato (19 patents)Naoaki TsutsuiNaoaki Tsutsui (16 patents)Takeya HiroseTakeya Hirose (16 patents)Satoshi YoshimotoSatoshi Yoshimoto (16 patents)Haruo IkedaHaruo Ikeda (15 patents)Yasushi AoyagiYasushi Aoyagi (14 patents)Takehisa SatoTakehisa Sato (14 patents)Satoshi NagaiSatoshi Nagai (13 patents)Lyo TakaokaLyo Takaoka (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Semiconductor Energy Laboratory Co., Ltd. (249 from 16,567 patents)

2. Sony Corporation (29 from 58,123 patents)

3. Other (6 from 832,398 patents)

4. Sharp Kabushiki Kaisha Corporation (6 from 25,481 patents)

5. Sony Group Corporation (5 from 3,303 patents)

6. The Furukawa Electric Co., Ltd. (3 from 2,620 patents)

7. Sony Computer Entertainment Inc. (3 from 1,799 patents)

8. Furukawa Automotive Systems Inc. (3 from 247 patents)

9. Toray Industries, Inc. (2 from 3,456 patents)

10. Nlt Technologies, Ltd. (2 from 398 patents)

11. Yamaichi Electronics Co., Ltd. (2 from 334 patents)

12. Kabushiki Kaisha Toshiba (1 from 52,620 patents)

13. Hitachi-kokusai Electric Inc. (1 from 1,257 patents)

14. Nec Lcd Technologies, Ltd. (1 from 568 patents)

15. Sony Mobile Communications Inc. (729 patents)


305 patents:

1. 12451714 - Power storage device and method for operating power storage device

2. 12442862 - Device detecting abnormality of secondary battery, abnormality detection method, and program

3. 12406816 - Power storage device, light-emitting device, and electronic device

4. 12396263 - Display device, display module, and electronic device

5. 12389631 - Semiconductor device and manufacturing method thereof

6. 12353105 - Display apparatus

7. 12347364 - Display and electronic device including the display

8. 12334875 - Semiconductor device and operation method thereof

9. 12321655 - Display device, display unit, and display system

10. 12299790 - Information processing apparatus and information processing method

11. 12288779 - Semiconductor device and manufacturing method thereof

12. 12272800 - Semiconductor device, battery pack, and electronic device

13. 12266957 - Protection circuit for secondary battery and abnormality detection system of secondary battery

14. 12175947 - Display device

15. 12176810 - Semiconductor device and method for operating semiconductor device

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10/25/2025
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