TK

Tomohiko Kohda

Ricoh Company: 17 patents #1,283 of 9,818Top 15%
📍 Ibaraki, JP: #498 of 6,779 inventorsTop 8%
Overall (All Time): #262,141 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12214600 Liquid discharging head, liquid discharging unit, and device for discharging liquid Takahiro Yoshida, Shiomi Andou, Takayuki Nakai, Kanshi Abe, Takeshi Shimizu +1 more 2025-02-04
11724514 Liquid discharging head, liquid discharging unit, and device for discharging liquid Takahiro Yoshida, Shiomi Andou, Takayuki Nakai, Kanshi Abe, Takeshi Shimizu +1 more 2023-08-15
11420447 Liquid discharging head, liquid discharging unit, and device for discharging liquid Takahiro Yoshida, Shiomi Andou, Takayuki Nakai, Kanshi Abe, Takeshi Shimizu +1 more 2022-08-23
11331930 Liquid discharging head, liquid discharging unit, and device for discharging liquid Takahiro Yoshida, Shiomi Andou, Takayuki Nakai, Kanshi Abe, Takeshi Shimizu +1 more 2022-05-17
10786996 Liquid discharge head, liquid discharge device, and liquid discharge apparatus 2020-09-29
10730292 Liquid discharge head, liquid discharge device, and liquid discharge apparatus Satoru Tobita, Ryo Kasahara, Ryohta Matsufuji, Norimasa Sohgawa 2020-08-04
10696057 Liquid discharging head, liquid discharging unit, and device for discharging liquid Takahiro Yoshida, Shiomi Andou, Takayuki Nakai, Kanshi Abe, Takeshi Shimizu +1 more 2020-06-30
10668726 Liquid ejection head, liquid ejection unit, and apparatus for ejecting liquid Takahiro Yoshida, Takeshi Shimizu, Kanshi Abe, Ryo Kasahara, Takayuki Nakai +1 more 2020-06-02
10538101 Liquid discharging head, liquid discharging unit, and device for discharging liquid Takahiro Yoshida, Shiomi Andou, Takayuki Nakai, Kanshi Abe, Takeshi Shimizu +1 more 2020-01-21
10160226 Liquid discharging head, liquid discharging unit, and device for discharging liquid Takahiro Yoshida, Shiomi Andou, Takayuki Nakai, Kanshi Abe, Takeshi Shimizu +1 more 2018-12-25
10022963 Liquid discharge head, liquid discharge device, and liquid discharge apparatus Satoru Tobita, Ryo Kasahara, Ryohta Matsufuji, Norimasa Sohgawa 2018-07-17
10005281 Liquid ejection head, liquid ejection unit, and apparatus for ejecting liquid Takahiro Yoshida, Takeshi Shimizu, Kanshi Abe, Ryo Kasahara, Takayuki Nakai +1 more 2018-06-26
9925785 Liquid discharge head, liquid discharge device, and liquid discharge apparatus Takahiro Yoshida, Takayuki Nakai 2018-03-27
9427968 Liquid discharge head and image forming apparatus Takeshi Shimizu, Ryo Kasahara, Kanshi Abe, Takayuki Nakai, Takahiro Yoshida +1 more 2016-08-30
9375925 Liquid-ejection head and image forming apparatus Takeshi Shimizu, Takahiro Yoshida, Kanshi Abe, Shiomi Andou, Takayuki Nakai +1 more 2016-06-28
9044946 Droplet discharge head and image forming apparatus including same Noriyasu Takeuchi, Takahiro Yoshida, Ryohta Matsufuji 2015-06-02
8899711 Inkjet recording method, inkjet recording device, and recorded material Kiminori Masuda, Mariko Kojima, Akiko Bannai, Takashi Tamai, Naoko Kitaoka 2014-12-02