Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tetsuo Okuno — 7 Patents

KOKonica: 4 patents #638 of 1,958Top 35%
KMKonica Minolta: 3 patents #1,112 of 2,718Top 45%
Hino, JP: #447 of 1,727 inventorsTop 30%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Tetsuo Okuno has been granted 7 US patents while listed as an inventor at Konica. The first was granted in 1994 and the most recent in July 2009. Tetsuo Okuno ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Tetsuo Okuno in Hino, JP.

Patents per Year

Patents granted per year, 1994 to 2009Bar chart with a peak of 3 patents in 2009.peak 31994: 1 patents19942003: 1 patents20032006: 1 patents20062008: 1 patents20082009: 3 patents2009

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7559144 Method for making an inkjet head 2009-07-14
7497554 Ink jet print head 2009-03-03
7475968 Ink-jet head Hideo Watanabe, Osamu Murata 2009-01-13
7370415 Manufacturing method of ink-jet head Shozo Kikugawa, Minoru Yamada, Yuichi Akanabe, Takeshi Ito 2008-05-13
7051437 Method for making an inkjet head 2006-05-30
6651335 Method of producing an ink jet print head through a processing method of electroless plating Yuichi Akanabe, Shozo Kikugawa, Minoru Yamada 2003-11-25
5324357 Extrusion coating apparatus Shigetoshi Kawabe, Seiichi Tobisawa 1994-06-28