YM

Yasumasa Matsuda

HI Hitachi: 28 patents #1,022 of 28,497Top 4%
HC Hitachi Koki Co.: 8 patents #145 of 888Top 20%
HS Hitachi Seiko: 4 patents #5 of 106Top 5%
📍 Ibaraki, JP: #227 of 6,779 inventorsTop 4%
Overall (All Time): #140,270 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4364070 Drop jet apparatus Syoji Sagae, Masatoshi Kasahara, Hiroyasu Uchida 1982-12-14
4350989 Ink-jet printing apparatus Syoji Sagae, Masatoshi Kasahara, Masayoshi Suzuki 1982-09-21
4216477 Nozzle head of an ink-jet printing apparatus with built-in fluid diodes Satoshi Shimada, Kanji Kawakami, Motohisa Nishihara, Taisaku Kohzuma, Syoji Sagae +2 more 1980-08-05