Growing community of inventors

Gifu, Japan

Takashi Izumi

Average Co-Inventor Count = 6.00

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 = 54

Takashi IzumiTakeshi Yumura (3 patents)Takashi IzumiHiroki Ohnishi (3 patents)Takashi IzumiMasanori Miyatake (3 patents)Takashi IzumiMasashi Ochiiwa (3 patents)Takashi IzumiNaoyuki Yoden (1 patent)Takashi IzumiShoji Takeda (1 patent)Takashi IzumiTerukazu Sawada (1 patent)Takashi IzumiTakashi Izumi (3 patents)Takeshi YumuraTakeshi Yumura (7 patents)Hiroki OhnishiHiroki Ohnishi (7 patents)Masanori MiyatakeMasanori Miyatake (5 patents)Masashi OchiiwaMasashi Ochiiwa (4 patents)Naoyuki YodenNaoyuki Yoden (4 patents)Shoji TakedaShoji Takeda (1 patent)Terukazu SawadaTerukazu Sawada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (3 from 8,780 patents)


3 patents:

1. 5842167 - Speech synthesis apparatus with output editing

2. 5834670 - Karaoke apparatus, speech reproducing apparatus, and recorded medium

3. 5752228 - Speech synthesis apparatus and read out time calculating apparatus to

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12/20/2025
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