Growing community of inventors

Tokyo, Japan

Chengheng Tsai

Average Co-Inventor Count = 1.37

ph-index = 1

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 = 1

Chengheng TsaiMotohiko Okabe (1 patent)Chengheng TsaiTakahiro Tsuji (1 patent)Chengheng TsaiMasayuki Sukigara (1 patent)Chengheng TsaiSatoshi Shiba (1 patent)Chengheng TsaiHiroaki Ueno (1 patent)Chengheng TsaiMasanori Ehara (1 patent)Chengheng TsaiYu Kariya (1 patent)Chengheng TsaiChengheng Tsai (10 patents)Motohiko OkabeMotohiko Okabe (24 patents)Takahiro TsujiTakahiro Tsuji (19 patents)Masayuki SukigaraMasayuki Sukigara (6 patents)Satoshi ShibaSatoshi Shiba (3 patents)Hiroaki UenoHiroaki Ueno (2 patents)Masanori EharaMasanori Ehara (1 patent)Yu KariyaYu Kariya (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Keiwa Inc. (10 from 59 patents)

2. Nichia Corporation (1 from 3,094 patents)


10 patents:

1. 12510783 - Light diffusion sheet, backlight unit, liquid crystal display device, and information equipment

2. 12393078 - Light diffusion sheet, light diffusion sheet laminate, backlight unit, and liquid crystal display device

3. 12345980 - Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and production method for backlight unit

4. 12313935 - Light diffusion sheet, back-light unit, liquid crystal display device, information apparatus, and method for manufacturing back-light unit

5. 12292648 - Optical sheet, backlight unit, liquid crystal display device, and information device

6. 12197073 - Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and production method for backlight unit

7. 12174489 - Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and production method for backlight unit

8. 12135479 - Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and production method for backlight unit

9. 12105376 - Optical sheet, backlight unit, liquid crystal display apparatus, and information device

10. 12085807 - Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and production method for backlight unit

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as of
1/7/2026
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