Growing community of inventors

Osaka, Japan

Ichirou Kawamura

Average Co-Inventor Count = 4.29

ph-index = 3

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 = 57

Ichirou KawamuraYoshikazu Goto (4 patents)Ichirou KawamuraKuniko Nakata (4 patents)Ichirou KawamuraYukio Nishino (4 patents)Ichirou KawamuraHitoshi Higaki (4 patents)Ichirou KawamuraShigeto Ueno (4 patents)Ichirou KawamuraRyoichi Imanaka (1 patent)Ichirou KawamuraIchirou Kawamura (5 patents)Yoshikazu GotoYoshikazu Goto (49 patents)Kuniko NakataKuniko Nakata (28 patents)Yukio NishinoYukio Nishino (25 patents)Hitoshi HigakiHitoshi Higaki (13 patents)Shigeto UenoShigeto Ueno (13 patents)Ryoichi ImanakaRyoichi Imanaka (20 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Electric Industrial Co., Ltd. (4 from 27,375 patents)

2. Matushita Electric Industrial Co., Ltd. (1 from 28 patents)


5 patents:

1. 6430147 - Disk cartridge and adapter

2. 6392987 - Disk cartridge and adapter with locking and misinsertion preventing mechanism for the cover

3. 6288999 - Disk cartridge and adapter

4. 6172962 - Disk cartridge with finger-like holding members and three-part supporting feature

5. 5493457 - Optical disk apparatus with cooling arrangement

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