Growing community of inventors

Tokyo, Japan

Kazuharu Seki

Average Co-Inventor Count = 2.45

ph-index = 8

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 = 216

Kazuharu SekiTeruyuki Abe (17 patents)Kazuharu SekiShuhei Kameda (5 patents)Kazuharu SekiYukio Miyagawa (5 patents)Kazuharu SekiHideo Takamoto (3 patents)Kazuharu SekiKyoji Ichimura (3 patents)Kazuharu SekiHideaki Saeki (2 patents)Kazuharu SekiTetsujiro Omura (2 patents)Kazuharu SekiMotohisa Ishiwa (2 patents)Kazuharu SekiTomoya Morita (2 patents)Kazuharu SekiAtsushi Endo (1 patent)Kazuharu SekiHirokazu Imori (1 patent)Kazuharu SekiTsutomu Hara (1 patent)Kazuharu SekiHiroshi Hanafusa (1 patent)Kazuharu SekiKoji Tatsuki (1 patent)Kazuharu SekiMasayoshi Ito (1 patent)Kazuharu SekiNaoto Fujii (1 patent)Kazuharu SekiTomoyuki Takemura (1 patent)Kazuharu SekiYoritaka Kitamura (0 patent)Kazuharu SekiKazuharu Seki (28 patents)Teruyuki AbeTeruyuki Abe (17 patents)Shuhei KamedaShuhei Kameda (5 patents)Yukio MiyagawaYukio Miyagawa (5 patents)Hideo TakamotoHideo Takamoto (8 patents)Kyoji IchimuraKyoji Ichimura (4 patents)Hideaki SaekiHideaki Saeki (6 patents)Tetsujiro OmuraTetsujiro Omura (4 patents)Motohisa IshiwaMotohisa Ishiwa (3 patents)Tomoya MoritaTomoya Morita (3 patents)Atsushi EndoAtsushi Endo (36 patents)Hirokazu ImoriHirokazu Imori (9 patents)Tsutomu HaraTsutomu Hara (4 patents)Hiroshi HanafusaHiroshi Hanafusa (3 patents)Koji TatsukiKoji Tatsuki (3 patents)Masayoshi ItoMasayoshi Ito (1 patent)Naoto FujiiNaoto Fujii (1 patent)Tomoyuki TakemuraTomoyuki Takemura (1 patent)Yoritaka KitamuraYoritaka Kitamura (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Izumi-cosmo Company, Limited (21 from 27 patents)

2. Other (3 from 832,761 patents)

3. Asahi Polyslider Company, Limited (2 from 14 patents)

4. Tokyo Bell Seisakusho Co., Ltd. (2 from 2 patents)

5. Kimoto Co, Ltd. (1 from 102 patents)

6. Kazuharu Seki (1 from 1 patent)

7. Triall Limited (1 from 1 patent)


28 patents:

1. 11378872 - Projector stand

2. 11150549 - Magnet screen device

3. 10768512 - Picture display apparatus

4. 10613427 - Suspension type screen device

5. 10442647 - Magnet sheet winding device and propping tool thereof

6. 10379434 - Portable screen device

7. 10095098 - Board for projector

8. 9690182 - Magnet screen device

9. 9566028 - Lancet pricking device

10. 9138185 - Lancet assembly and pricking device

11. 8199402 - Portable screen assembly

12. 8159745 - Portable screen assembly and expanding and contracting column and handing tool used therefor

13. 8050861 - Road map

14. 7883523 - Lancet assembly

15. 7879059 - Lancet assembly

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as of
12/16/2025
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