RM

Ryohta Matsufuji

Ricoh Company: 7 patents #2,977 of 9,818Top 35%
Overall (All Time): #684,860 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12415353 Liquid discharge head and liquid discharge apparatus 2025-09-16
12350936 Liquid discharge head and liquid discharge apparatus Akihiro Fujita 2025-07-08
11130338 Liquid discharge head and liquid discharge apparatus Kohta Akiyama, Noriyasu Takeuchi 2021-09-28
10730292 Liquid discharge head, liquid discharge device, and liquid discharge apparatus Tomohiko Kohda, Satoru Tobita, Ryo Kasahara, Norimasa Sohgawa 2020-08-04
10022963 Liquid discharge head, liquid discharge device, and liquid discharge apparatus Tomohiko Kohda, Satoru Tobita, Ryo Kasahara, Norimasa Sohgawa 2018-07-17
9889662 Liquid droplet discharging head and image forming apparatus, including displacing film that applies self-displacement to apply pressure to liquid inside chamber 2018-02-13
9044946 Droplet discharge head and image forming apparatus including same Tomohiko Kohda, Noriyasu Takeuchi, Takahiro Yoshida 2015-06-02