Takeshi Hashimoto

USPTO Granted Patents = 50 (Patent Applications = 7)

EPO Patents = 1 (Patent Applications = 3)

Average Co-Inventor Count = 3.9

ph-index = 21

Forward Citations = 1,107(Granted Patents)

DiyaCoin

= 1.07

Location History:

Sakai, JP (1996)
Osaka, JP (1989 - 1998)
Chiba, JP (1999 - 2001)
Moriya, JP (2015 - 2021)
Ibaraki, JP (2023 - 2024)

Company Filing History:

35 out of 90,594

Canon Kabushiki Kaisha

patents

8 out of 2,979

Minolta Camera Kabushiki Kaisha

patents

5 out of 25,530

Sharp Kabushiki Kaisha Corporation

patents

4. 1 out of 5

Nihon Dennetsu Co., Ltd.

Kabushiki Kaisha Pilot Corporation

patents

where one patent can have more than one assignee

Years Active: 1989-2025

where 'Filed Patents' based on already Granted Patents

50 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 12386279 - Toner (2025-08-12),

2. 12332599 - Toner (2025-06-17),

3. 12326690 - Toner and method for producing toner (2025-06-10),

4. 12275269 - Thermochromic writing instrument (2025-04-14),

5. 12271151 - Toner and method for manufacturing toner (2025-04-08),

6. 11914325 - Toner and method for producing toner (2024-02-27),

7. 11835873 - Toner and two component developer (2023-12-05),

8. 11809131 - Toner (2023-11-07),

9. 11714362 - Toner and two-component developer (2023-08-01),

10. 11675283 - Magnetic carrier, two-component developer, and method for producing magnetic carrier (2023-06-13),

11. 11662670 - Toner (2023-05-30),

12. 11624986 - Toner and method for manufacturing toner (2023-04-11),

13. 11131939 - Toner (2021-09-28),

14. 10969705 - Two-component developer (2021-04-06),

15. 10859931 - Toner and two-component developer (2020-12-08),

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7 patents pending:

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1 patent (EPO):

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3 patents pending (EPO):

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