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Dive into the research topics where Ryozo Akiyama is active.

Publication


Featured researches published by Ryozo Akiyama.


international conference on polymers and adhesives in microelectronics and photonics | 2007

Photocurable Inkjet Ink for Printing on Metallic and Plastic Substrates

Mitsuru Ishibashi; Yasuyuki Hotta; Tohru Ushirogochi; Ryozo Akiyama; Yukiko Kawakami; Kazuhiko Ohtsu; Hiroshi Kiyomoto; Chiaki Tanuma

A novel vinyl ether monomer was employed to improve curing properties of photocurable inkjet ink. A cationic polymerization system was used and the improved curing properties using a novel hybrid vinyl ether monomer with cyclic ether compounds were demonstrated. The cured UV ink film showed good adhesion on metallic substrates such as stainless steel, copper, aluminum and also plastic substrates. The stability of pigment dispersion in the ink was improved by controlling zeta-potential of the ink. The higher zeta-potential value resulted in stable particle size of the pigment and viscosity of the ink.


Archive | 2006

Liquid ink and recording apparatus

Toru Ushirogouchi; Chiaki Tanuma; Kazuhiko Ohtsu; Ryozo Akiyama; Masashi Hiroki; Yoshito Endo


Archive | 2011

Aqueous inkjet ink

Ryozo Akiyama; Atsushi Kubota; Maiko Yoshida; Takafumi Hara; Chie Tonohiro


Archive | 2003

Liquid ink and printer

Ryozo Akiyama; Yoshitaka Endo; Toru Gokochi; Masashi Hiroki; Kazuhiko Otsu; Chiaki Tanuma; 大津 和彦; 廣木 正士; 後河内 透; 田沼 千秋; 秋山 良造; 遠藤 美登


Archive | 2009

Inkjet recording method and pretreatment liquid for inkjet recording

Ryozo Akiyama; Hiroshi Kiyomoto; Takaya Kitawaki; Atsushi Kubota; Kazuhiko Ohtsu


Archive | 2007

Photosensitive inkjet ink

Ryozo Akiyama; Toru Ushirogouchi; Kazuhiko Ohtsu; Mitsuru Ishibashi; Hiroshi Kiyomoto; Yukiko Kawakami


Archive | 2004

Pigment dispersion, precursor of ink for uv-curing type ink-jet recording, method of ink-jet recording, printed matter, and method of manufacturing pigment dispersion

Toru Ushirogouchi; Ryozo Akiyama; Kazuhiko Ohtsu; Masashi Hiroki; Mitsuru Ishibashi


Archive | 2005

Washing solution for inkjet printer head and washing method using the solution

Ryozo Akiyama; Toru Ushirogouchi; Mitsuru Ishibashi; Kazuhiko Ohtsu; Masashi Hiroki


Archive | 2005

Inkjet ink composition and printed matters created using inkjet ink composition

Toru Ushirogouchi; Kazuhiko Ohtsu; Mitsuru Ishibashi; Ryozo Akiyama; Masashi Hiroki


Archive | 2010

Inkjet aqueous ink

Hiroshi Kiyomoto; Ryozo Akiyama

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