Growing community of inventors

Shizuoka, Japan

Yuzo Ochiai

Average Co-Inventor Count = 1.07

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

Yuzo OchiaiToshihiro Ichikawa (1 patent)Yuzo OchiaiYuzo Ochiai (8 patents)Toshihiro IchikawaToshihiro Ichikawa (18 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Tokai Corporation (4 from 139 patents)

2. Tokai Seiki Co. (hk), Ltd. (3 from 3 patents)

3. Calico Brands, Inc. (1 from 16 patents)

4. Scripto-tokai, Inc. (1 from 4 patents)


8 patents:

1. 12130014 - Igniter, igniter with adjustable wick, and method of manufacturing and operating the same

2. D980506 - Cigarette lighter

3. 11536453 - Cigarette lighter with a new fuel release system

4. D828951 - Lighter

5. D759298 - Lighter

6. D676193 - Lighter

7. D672085 - Lighter

8. D581589 - Lighter

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idiyas.com
as of
1/4/2026
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