Growing community of inventors

Tokyo, Japan

Kazushi Kirihara

Average Co-Inventor Count = 2.17

ph-index = 4

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 = 71

Kazushi Kirihara ↔ Yuko Wada (4 patents)Kazushi Kirihara ↔ Hiroshi Nakaizumi (4 patents)Kazushi Kirihara ↔ Miya Suwa (4 patents)Kazushi Kirihara ↔ Michio Akita (3 patents)Kazushi Kirihara ↔ Keita Shirakami (2 patents)Kazushi Kirihara ↔ Kenichi Hirose (1 patent)Kazushi Kirihara ↔ Daiki Kobayashi (1 patent)Kazushi Kirihara ↔ Tasushi Nashida (1 patent)Kazushi KiriharaKazushi Kirihara (13 patents)Yuko WadaYuko Wada (19 patents)Hiroshi NakaizumiHiroshi Nakaizumi (10 patents)Miya SuwaMiya Suwa (6 patents)Michio AkitaMichio Akita (5 patents)Keita ShirakamiKeita Shirakami (2 patents)Kenichi HiroseKenichi Hirose (27 patents)Daiki KobayashiDaiki Kobayashi (22 patents)Tasushi NashidaTasushi Nashida (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (11 from 58,131 patents)

2. Sony Kabushiki Kaisha (2 from 27 patents)


13 patents:

1. 6104677 - Recording medium recording apparatus and method and recording medium

2. D421856 - Disc case

3. D417091 - Audio cassette tape case

4. D415753 - Case for a disc cartridge

5. D394254 - Video cassette

6. D391798 - Case for a disc

7. D391562 - Video cassette

8. D386915 - Audio cassette tape case

9. D377791 - Video cassette

10. D344454 - Packaging wrapper

11. D344452 - Packaging wrapper

12. D344451 - Packaging wrapper

13. D344453 - Packaging wrapper

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1/4/2026
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