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Haruhiko Koto

USPTO Granted Patents = 12

Average Co-Inventor Count = 3.6

ph-index = 6

Forward Citations = 210(Granted Patents)

Location History:

Suwa, JP (1988)
Suwa-shi, Nagano, JP (2004)
Nagano, JP (1991 - 2005)

Company Filing History:

11 out of 33,490

Seiko Epson Corporation

1 out of 832,912

Other

patents

Years Active: 1988-2005

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6942322 - Drop-on-demand ink-jet printing head (2005-09-13),

2. 6742875 - Drop-on-demand ink-jet printing head (2004-06-01),

3. 6186619 - Drop-on-demand ink-jet printing head (2001-02-13),

4. 5910809 - Drop-on-demand ink-jet printing head (1999-06-08),

5. 5894317 - Drop-on-demand ink-jet printing head (1999-04-13),

6. 5600357 - Drop-on-demand ink-jet printing head (1997-02-04),

7. 5446485 - Drop-on-demand ink-jet printing head (1995-08-29),

8. 5444471 - Drop-on-demand ink-jet printing head (1995-08-22),

9. 5113204 - Ink jet head (1992-05-12),

10. 5105209 - Hot melt ink jet printing apparatus (1992-04-14),

11. 4998120 - Hot melt ink jet printing apparatus (1991-03-05),

12. 4768045 - Ink droplet detecting apparatus (1988-08-30),

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