HI

Hiroyuki Ishikawa

SE Seiko Epson: 5 patents #30 of 763Top 4%
Brother Kogyo: 2 patents #16 of 136Top 15%
Overall (2002): #4,315 of 266,432Top 2%
7
Patents 2002

Issued Patents 2002

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6494555 Ink ejecting device 2002-12-17
6491378 Ink jet head, ink jet printer, and its driving method Masahiro Fujii, Yasushi Matsuno 2002-12-10
6481833 Inkjet printer Masahiro Fujii, Yasushi Matsuno 2002-11-19
6474784 Ink-jet head, ink jet printer, and its driving method Masahiro Fujii, Yasushi Matsuno 2002-11-05
6419344 Ink-jet head and ink-jet printer Masahiro Fujii, Yasushi Matsuno 2002-07-16
6371598 Ink jet recording apparatus, and an ink jet head Masahiro Fujii, Shigeo Nojima, Taro Takekoshi 2002-04-16
6350003 Ink droplet ejecting method and apparatus 2002-02-26