Growing community of inventors

Yokohama, Japan

Kouji Chiba

Average Co-Inventor Count = 4.37

ph-index = 6

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 = 266

Kouji ChibaHidetoshi Yazaki (5 patents)Kouji ChibaNorihito Tokuhiro (4 patents)Kouji ChibaKazufumi Yunoki (3 patents)Kouji ChibaShigehide Sawayanagi (3 patents)Kouji ChibaIsao Hirakodama (2 patents)Kouji ChibaMasaaki Yamamoto (1 patent)Kouji ChibaMasaaki Yamamoto (1 patent)Kouji ChibaMasaharu Nakatsuchi (1 patent)Kouji ChibaAtsushi Hanyu (1 patent)Kouji ChibaMasaharu Nishikawa (1 patent)Kouji ChibaHiroshi Kanto (1 patent)Kouji ChibaYuko Watanabe (1 patent)Kouji ChibaTatsuo Masusaki (1 patent)Kouji ChibaKouji Chiba (7 patents)Hidetoshi YazakiHidetoshi Yazaki (10 patents)Norihito TokuhiroNorihito Tokuhiro (6 patents)Kazufumi YunokiKazufumi Yunoki (26 patents)Shigehide SawayanagiShigehide Sawayanagi (3 patents)Isao HirakodamaIsao Hirakodama (2 patents)Masaaki YamamotoMasaaki Yamamoto (78 patents)Masaaki YamamotoMasaaki Yamamoto (9 patents)Masaharu NakatsuchiMasaharu Nakatsuchi (16 patents)Atsushi HanyuAtsushi Hanyu (9 patents)Masaharu NishikawaMasaharu Nishikawa (5 patents)Hiroshi KantoHiroshi Kanto (4 patents)Yuko WatanabeYuko Watanabe (3 patents)Tatsuo MasusakiTatsuo Masusaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ntt Mobile Communications Network, Inc. (5 from 247 patents)

2. Nissan Motor Company Limited (1 from 13,415 patents)

3. Ntt Docomo, Inc. (1 from 4,716 patents)


7 patents:

1. 7412223 - Mobile communication terminal

2. 6263214 - Method for controlling activation of mobile station, and mobile station using the method

3. 6108541 - Method for searching a control channel in a mobile station

4. 6032055 - Method of activation of mobile station

5. 5903838 - Method for searching a control channel in a mobile station

6. 5774807 - Method for searching a control channel in a mobile station

7. 5501289 - Floor structure of electric vehicle

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as of
1/8/2026
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