Growing community of inventors

Fukushima-ken, Japan

Yasuji Hagiwara

Average Co-Inventor Count = 2.67

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 = 354

Yasuji HagiwaraMasahiro Soma (6 patents)Yasuji HagiwaraTadamitsu Sato (4 patents)Yasuji HagiwaraKatsumi Kato (4 patents)Yasuji HagiwaraMasahiro Takata (2 patents)Yasuji HagiwaraYoutaro Sakakura (2 patents)Yasuji HagiwaraKazunori Nakano (2 patents)Yasuji HagiwaraHiroshi Nakahama (2 patents)Yasuji HagiwaraJunichi Inamura (1 patent)Yasuji HagiwaraKazuhito Ohshita (1 patent)Yasuji HagiwaraHirofumi Niitsuma (1 patent)Yasuji HagiwaraTakashi Kondo (1 patent)Yasuji HagiwaraHayato Hosoya (1 patent)Yasuji HagiwaraKenji Ohgoshi (1 patent)Yasuji HagiwaraDaihei Nakayama (1 patent)Yasuji HagiwaraTadamitsu Soto (0 patent)Yasuji HagiwaraYasuji Hagiwara (13 patents)Masahiro SomaMasahiro Soma (24 patents)Tadamitsu SatoTadamitsu Sato (18 patents)Katsumi KatoKatsumi Kato (5 patents)Masahiro TakataMasahiro Takata (7 patents)Youtaro SakakuraYoutaro Sakakura (4 patents)Kazunori NakanoKazunori Nakano (2 patents)Hiroshi NakahamaHiroshi Nakahama (2 patents)Junichi InamuraJunichi Inamura (7 patents)Kazuhito OhshitaKazuhito Ohshita (6 patents)Hirofumi NiitsumaHirofumi Niitsuma (3 patents)Takashi KondoTakashi Kondo (3 patents)Hayato HosoyaHayato Hosoya (2 patents)Kenji OhgoshiKenji Ohgoshi (2 patents)Daihei NakayamaDaihei Nakayama (1 patent)Tadamitsu SotoTadamitsu Soto (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Alps Electric Co., Ltd. (12 from 4,048 patents)

2. Alps Electronics Co., Ltd. (1 from 6 patents)


13 patents:

1. 8476542 - Input device

2. 8368655 - Input device

3. 8077057 - Input device with palm detecting unit

4. RE41443 - Input device which allows button input operation and coordinate input operation to be performed in the same operation plane

5. 7583508 - Band-shaped input device and electronic device

6. 7312790 - Input apparatus for performing input operation corresponding to indication marks and coordinate input operation on the same operational plane

7. 7310083 - Coordinate input device

8. 7238896 - Switch device

9. 6956559 - Character input apparatus

10. 6955598 - Designated position detector and game controller utilizing the same

11. 6704005 - Input device which allows button input operation and coordinate input operation to be performed in the same operation plane

12. 6580415 - Input device of detecting acceleration

13. 6541760 - Rotation detecting apparatus detecting rotation operation by light transmission to prevent invalid detection

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as of
12/15/2025
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