HM

Hideaki Mamiya

HC Hitachi Koki Co.: 2 patents #413 of 888Top 50%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
📍 Hitachinaka, JP: #1,128 of 2,447 inventorsTop 50%
Overall (All Time): #1,517,878 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9004656 Ink-jet recording head and ink-jet recording apparatus having the same Hiroshi Takahagi, Makoto Shinohara, Takeshi Shimizu, Takashi Tomita, Hiroshi Azami 2015-04-14
6618159 Method of switching print modes of printing device Satoru Tobita, Yoshikane Matsumoto 2003-09-09
6231250 Method of controlling reciprocal movement of hammer rank in print device Satoru Tobita, Yoshikane Matsumoto, Yuji Ohmura 2001-05-15