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Hiroshi Sugahara

USPTO Granted Patents = 11

CIPO Patents = 3

EPO Patents = 12 (Patent Applications = 3)

Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 23(Granted Patents)

Location History:

Ritto, JP (2007)
Watertown, CT (US) (2015)
Rittou, JP (2022)
Shiga, JP (2012 - 2023)

Company Filing History:

Sekisui Chemical Co., Ltd.

Adachi Construction Industry Co. Ltd.

where one patent can have more than one assignee

Years Active: 2007-2023

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11602884 - Pipe-forming apparatus for spiral pipe and pipe-forming method thereof (2023-03-14),

2. 11473714 - Strip member for spiral pipe and rehabilitation method of existing pipe (2022-10-18),

3. 11383427 - Pipe-forming apparatus for spiral pipe and pipe-forming method thereof (2022-07-12),

4. 11148352 - Pipe-forming apparatus for spiral pipe and pipe-forming method thereof (2021-10-19),

5. 11015757 - Pipe-making apparatus and pipe-making method (2021-05-25),

6. 10920918 - Pipe-making apparatus and pipe-making method for spiral pipe (2021-02-16),

7. D876001 - Strip member for pipes (2020-02-18),

8. 8939679 - Mobile pipe lining apparatus (2015-01-27),

9. 8347477 - Pipe producing apparatus and existing pipe rehabilitating method employing the same (2013-01-08),

10. 8151827 - Method for rehabilitating existing pipe (2012-04-10),

11. 7186060 - Method and device for lining construction in sewer followed by simultaneous filling of back-fill material (2007-03-06),

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