KK

Keita Katoh

Ricoh Company: 35 patents #475 of 9,818Top 5%
AN Anritsu: 1 patents #314 of 633Top 50%
GC Goo Chemical Co.: 1 patents #20 of 39Top 55%
📍 Shizuoka, CO: #1 of 1 inventorsTop 100%
Overall (All Time): #93,888 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
9217089 Ink for inkjet recording Kazukiyo Nagai, Yuusuke Koizuka, Mitsuru Naruse, Masayasu Nonogaki, Akihiko Matsuyama +2 more 2015-12-22
9200169 Inkjet recording ink, ink cartridge, and inkjet recording method Masayasu Nonogaki, Mitsuru Naruse, Minoru Hakiri 2015-12-01
9150745 Inkjet ink, ink cartridge, inkjet recording device, and inkjet printed matter Akihiko Matsuyama, Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri 2015-10-06
9139749 Ink composition, recording method, printed matter, ink cartridge, and inkjet recording device Akihiko Matsuyama, Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri, Kazukiyo Nagai +1 more 2015-09-22
9028056 Ink for inkjet recording, ink container, inkjet recorder and recorded matter Mitsuru Naruse, Masayasu Nonogaki, Akihiko Matsuyama, Kazukiyo Nagai, Yuusuke Koizuka 2015-05-12
8974895 Inkjet ink, ink storage container, inkjet recording device, and recorded matter Mitsuru Naruse, Masayasu Nonogaki, Akihiko Matsuyama, Kazukiyo Nagai, Yuusuke Koizuka 2015-03-10
8960885 Ink for inkjet recording, and ink cartridge, inkjet recording method, inkjet recorder, ink-recorded matter and method of producing the ink-recorded matter using the ink Mitsuru Naruse, Akihiko Matsuyama, Masayasu Nonogaki, Minoru Hakiri, Kazukiyo Nagai +1 more 2015-02-24
8956451 Ink set and inkjet recording method Masaki Kudo, Tomohiro Nakagawa, Akihiko Gotoh 2015-02-17
8801167 Inkjet recording apparatus, method for inkjet recording, and ink Ichiroh Fujii, Masaki Kudo, Tomohiro Nakagawa, Akihiko Gotoh, Koji Katsuragi 2014-08-12
8486185 Inkjet recording ink, ink cartridge and inkjet recording apparatus Masaki Kudoh, Mariko Kojima, Akiko Bannai 2013-07-16
6043480 Light measuring device capable of measuring optical power level easily with high accuracy Takashi Sakamoto 2000-03-28