KA

Kohta Akiyama

Ricoh Company: 11 patents #2,054 of 9,818Top 25%
Overall (All Time): #436,931 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12343992 Liquid discharge head, liquid discharge device, and liquid discharge apparatus Masaya SHINGYOH, Ryuji Tsukamoto 2025-07-01
12325237 Liquid discharge head and liquid discharge apparatus Chikako Hatta, Shinichiroh Osanai 2025-06-10
11752764 Liquid discharge apparatus, image forming apparatus, and drive waveform generation method 2023-09-12
11724493 Liquid discharge device and liquid discharging method 2023-08-15
11130338 Liquid discharge head and liquid discharge apparatus Ryohta Matsufuji, Noriyasu Takeuchi 2021-09-28
10730288 Liquid discharge head, liquid discharge device, and liquid discharge apparatus Noriyasu Takeuchi 2020-08-04
10166767 Drive waveform generating device, liquid discharge device, and liquid discharge apparatus 2019-01-01
9757942 Inkjet recording method and inkjet recording device Kiminori Masuda, Akiko Bannai, Takashi Tamai, Naoko Kitaoka 2017-09-12
9162447 Image forming apparatus 2015-10-20
9010917 Inkjet recording method and inkjet printed matter Hiroshi Gotou, Hidetoshi Fujii 2015-04-21
8944560 Image forming apparatus Sumiaki Aoki 2015-02-03