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Kohta Akiyama

USPTO Granted Patents = 11 (Patent Applications = 4)

EPO Patents = 1 (Patent Applications = 3)

Average Co-Inventor Count = 1.7

ph-index = 1

Forward Citations = 1(Granted Patents)

Location History:

Tokyo, JP (2015 - 2019)
Kanagawa, JP (2020 - 2023)

Company Filing History:

11 out of 28,546

Ricoh Company, Ltd.

Years Active: 2015-2025

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12343992 - Liquid discharge head, liquid discharge device, and liquid discharge apparatus (2025-07-01),

2. 12325237 - Liquid discharge head and liquid discharge apparatus (2025-06-10),

3. 11752764 - Liquid discharge apparatus, image forming apparatus, and drive waveform generation method (2023-09-12),

4. 11724493 - Liquid discharge device and liquid discharging method (2023-08-15),

5. 11130338 - Liquid discharge head and liquid discharge apparatus (2021-09-28),

6. 10730288 - Liquid discharge head, liquid discharge device, and liquid discharge apparatus (2020-08-04),

7. 10166767 - Drive waveform generating device, liquid discharge device, and liquid discharge apparatus (2019-01-01),

8. 9757942 - Inkjet recording method and inkjet recording device (2017-09-12),

9. 9162447 - Image forming apparatus (2015-10-20),

10. 9010917 - Inkjet recording method and inkjet printed matter (2015-04-21),

11. 8944560 - Image forming apparatus (2015-02-03),

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