EO

Eiichi Ohta

Ricoh Company: 3 patents #22 of 609Top 4%
Overall (2002): #30,354 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6367914 Electrostatic ink-jet head and method of production of the same Kouichi Ohtaka, Mitsugu Irinoda, Yohichiro Miyaguchi, Takeshi Takemoto, Kenichiro Hashimoto +2 more 2002-04-09
6354697 Electrostatic typeinkjet head having a vent passage and a manufacturing method thereof Makoto Tanaka 2002-03-12
6341847 Electrostatic inkjet head having an accurate gap between an electrode and a diaphragm and manufacturing method thereof Makoto Tanaka, Kohshi Nomura 2002-01-29