Growing community of inventors

Yokohama, Japan

Chikaya Iko

Average Co-Inventor Count = 2.73

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 = 38

Chikaya IkoTatsuro Otaki (3 patents)Chikaya IkoJun Matsuno (2 patents)Chikaya IkoHitoshi Sakano (2 patents)Chikaya IkoYasushi Ogihara (1 patent)Chikaya IkoKunio Toshimitsu (1 patent)Chikaya IkoKatsumi Ogino (1 patent)Chikaya IkoChikaya Iko (5 patents)Tatsuro OtakiTatsuro Otaki (20 patents)Jun MatsunoJun Matsuno (5 patents)Hitoshi SakanoHitoshi Sakano (4 patents)Yasushi OgiharaYasushi Ogihara (7 patents)Kunio ToshimitsuKunio Toshimitsu (6 patents)Katsumi OginoKatsumi Ogino (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nikon Corporation (5 from 8,902 patents)


5 patents:

1. 6804049 - Microscope device and microscope system

2. 6259473 - Section image obtaining apparatus and method of obtaining section image

3. 6178294 - Photographing unit for a microscope

4. 6091911 - Microscope photographing unit with brightness control for observation

5. 5687416 - Photographic apparatus with selectable photometric optical systems

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as of
1/10/2026
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