Growing community of inventors

Yokohama, Japan

Yutaka Takami

Average Co-Inventor Count = 4.31

ph-index = 12

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 = 516

Yutaka TakamiKenji Matsumoto (23 patents)Yutaka TakamiShigeyuki Itoh (22 patents)Yutaka TakamiMasayuki Inoue (18 patents)Yutaka TakamiMakoto Aikawa (9 patents)Yutaka TakamiShinichiro Fukushima (8 patents)Yutaka TakamiKazunori Hashimoto (7 patents)Yutaka TakamiTetsuharu Inamitsu (7 patents)Yutaka TakamiKoichi Yoneta (6 patents)Yutaka TakamiIwao Aizawa (4 patents)Yutaka TakamiMasumi Moritani (3 patents)Yutaka TakamiMasahiko Yatsu (2 patents)Yutaka TakamiKenji Ogiro (2 patents)Yutaka TakamiTakesuke Maruyama (2 patents)Yutaka TakamiTakanori Nishiyama (2 patents)Yutaka TakamiManabu Wakabayashi (2 patents)Yutaka TakamiHiroshi Tomita (2 patents)Yutaka TakamiShigeyuki Ito (2 patents)Yutaka TakamiHiroto Takita (2 patents)Yutaka TakamiHironobu Satoh (2 patents)Yutaka TakamiHidenori Nanami (2 patents)Yutaka TakamiMasaru Ohki (1 patent)Yutaka TakamiAtsushi Yoshioka (1 patent)Yutaka TakamiIsao Nakagawa (1 patent)Yutaka TakamiKazuhiro Kawashima (1 patent)Yutaka TakamiKiyoharu Kishimoto (1 patent)Yutaka TakamiShuzo Matsumoto (1 patent)Yutaka TakamiKotaro Yamashita (1 patent)Yutaka TakamiShoko Hatanaka (1 patent)Yutaka TakamiHashimoto Kazunori (1 patent)Yutaka TakamiYoshiisa Inoue (1 patent)Yutaka TakamiYutaka Takami (35 patents)Kenji MatsumotoKenji Matsumoto (37 patents)Shigeyuki ItohShigeyuki Itoh (65 patents)Masayuki InoueMasayuki Inoue (107 patents)Makoto AikawaMakoto Aikawa (27 patents)Shinichiro FukushimaShinichiro Fukushima (22 patents)Kazunori HashimotoKazunori Hashimoto (39 patents)Tetsuharu InamitsuTetsuharu Inamitsu (7 patents)Koichi YonetaKoichi Yoneta (6 patents)Iwao AizawaIwao Aizawa (30 patents)Masumi MoritaniMasumi Moritani (6 patents)Masahiko YatsuMasahiko Yatsu (147 patents)Kenji OgiroKenji Ogiro (41 patents)Takesuke MaruyamaTakesuke Maruyama (35 patents)Takanori NishiyamaTakanori Nishiyama (25 patents)Manabu WakabayashiManabu Wakabayashi (19 patents)Hiroshi TomitaHiroshi Tomita (15 patents)Shigeyuki ItoShigeyuki Ito (10 patents)Hiroto TakitaHiroto Takita (7 patents)Hironobu SatohHironobu Satoh (6 patents)Hidenori NanamiHidenori Nanami (2 patents)Masaru OhkiMasaru Ohki (34 patents)Atsushi YoshiokaAtsushi Yoshioka (34 patents)Isao NakagawaIsao Nakagawa (30 patents)Kazuhiro KawashimaKazuhiro Kawashima (18 patents)Kiyoharu KishimotoKiyoharu Kishimoto (15 patents)Shuzo MatsumotoShuzo Matsumoto (14 patents)Kotaro YamashitaKotaro Yamashita (4 patents)Shoko HatanakaShoko Hatanaka (3 patents)Hashimoto KazunoriHashimoto Kazunori (1 patent)Yoshiisa InoueYoshiisa Inoue (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (26 from 42,508 patents)

2. Other (9 from 832,880 patents)

3. Hitachi Video and Information System, Inc. (3 from 46 patents)

4. Hitachi Maxell, Limited (1 from 1,112 patents)

5. Hitachi Video and Information Systems, Inc. (1 from 13 patents)


35 patents:

1. 8094890 - Biometric authentication apparatus, biometric authentication system, IC card and biometric authentication method

2. 8001326 - Portable terminal

3. 7737824 - Radio frequency identification (RFID) tag, portable terminal, and server for RFID tag

4. 7710272 - Radio frequency identification (RFID) device with a response stop command

5. 7628323 - System of settlement transaction and method

6. 7611047 - System of settlement transaction and method

7. 7425897 - Radio frequency identification (RFID) device with a response stop command

8. 7404523 - IC card with a cipher key conversion function

9. 7360091 - Secure data transfer method of using a smart card

10. 7356645 - Portable terminal with an IC card mounted thereon

11. 7346579 - Electronic purse application system and method thereof

12. 7278029 - Program writable IC card and method thereof

13. 7246739 - System of settlement transaction and method

14. 6976625 - Electronic purse

15. 6938165 - Program writable IC card and method thereof

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