Growing community of inventors

Tokyo, Japan

Ken Obata

Average Co-Inventor Count = 1.75

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 = 190

Ken ObataHiroyuki Yamazaki (2 patents)Ken ObataKatsutoshi Sasaki (2 patents)Ken ObataMasahiko Makino (1 patent)Ken ObataTakuya Nishimoto (1 patent)Ken ObataYoshifumi Abe (1 patent)Ken ObataSeiichi Ueno (1 patent)Ken ObataMasahiro Hasegawa (1 patent)Ken ObataNobuyuki Nishii (1 patent)Ken ObataKo Masuda (1 patent)Ken ObataYoshihiko Konishi (1 patent)Ken ObataKenjiro Konishi (1 patent)Ken ObataTaketora Naiki (0 patent)Ken ObataKen Obata (8 patents)Hiroyuki YamazakiHiroyuki Yamazaki (70 patents)Katsutoshi SasakiKatsutoshi Sasaki (32 patents)Masahiko MakinoMasahiko Makino (24 patents)Takuya NishimotoTakuya Nishimoto (22 patents)Yoshifumi AbeYoshifumi Abe (19 patents)Seiichi UenoSeiichi Ueno (16 patents)Masahiro HasegawaMasahiro Hasegawa (14 patents)Nobuyuki NishiiNobuyuki Nishii (10 patents)Ko MasudaKo Masuda (4 patents)Yoshihiko KonishiYoshihiko Konishi (1 patent)Kenjiro KonishiKenjiro Konishi (1 patent)Taketora NaikiTaketora Naiki (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Furukawa Electric Co., Ltd. (6 from 2,637 patents)

2. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)

3. Nhk Spring Co., Ltd. (1 from 1,233 patents)

4. Eneos Corporation (135 patents)


8 patents:

1. 6779989 - Method for connecting compressor with built-in electric motor and external wiring, connection device used therefor, and compressor with built-in electric motor using the same

2. 6749464 - Shield connector including male connector and female connector

3. 6661341 - Car-seat-occupant sensing device

4. 6556024 - Capacitance type load sensor

5. 5413492 - Transmission apparatus between rotary body and fixed body

6. 5328112 - Transmission apparatus between two relatively rotating members

7. 5310356 - Transmission device used between two relatively rotatable components

8. 4806123 - Electrical connector device with a number of terminals

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as of
1/2/2026
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