RA

Ryozo Akiyama

TK Toshiba Tec Kabushiki Kaisha: 29 patents #82 of 1,664Top 5%
TL Tokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%
Overall (All Time): #117,228 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
12025558 Freshness label with aggregation-induced phosphor Yukitami Mizuno, Kazuki Taira 2024-07-02
10697950 Fluorescent compound, fluorescent compound mixture, freshness marker, freshness label, and sensing system Hiroki Iwanaga 2020-06-30
10444214 Fluorescent compound, fluorescent compound mixture, freshness marker, freshness label, and sensing system Hiroki Iwanaga 2019-10-15
9835772 Lens array and image forming apparatus Atsushi Kubota 2017-12-05
9599755 Lens array and image forming apparatus Atsushi Kubota 2017-03-21
9229136 Microlens array unit and image processing apparatus Atsushi Kubota 2016-01-05
8976422 Image forming apparatus, lens array and forming method of same Atsushi Kubota 2015-03-10
8403461 Aqueous inkjet ink Takafumi Hara, Maiko Yoshida, Chie Tonohiro, Atsushi Kubota 2013-03-26
8361214 Inkjet aqueous ink Hiroshi Kiyomoto 2013-01-29
8226756 Emulsion type inkjet ink Hiroshi Kiyomoto, Takafumi Hara, Maiko Yoshida 2012-07-24
8133313 Aqueous inkjet ink and inkjet recording method Hiroshi Kiyomoto, Takaya Kitawaki 2012-03-13
7896484 Ink jet recording apparatus Masashi Hiroki, Kazuhiko Ohtsu, Yoshito Endo, Toru Ushirogouchi 2011-03-01
7858670 Photosensitive inkjet ink Hiroshi Kiyomoto, Yukiko Kawakami, Kazuhiko Ohtsu, Toru Ushirogouchi, Mitsuru Ishibashi 2010-12-28
7803851 Inkjet ink Mitsuru Ishibashi, Toru Ushirogouchi, Hiroshi Kiyomoto, Kazuhiko Ohtsu, Yukiko Kawakami +1 more 2010-09-28
7754785 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, Kazuhiko Ohtsu, Masashi Hiroki, Mitsuru Ishibashi 2010-07-13
7708821 Aqueous ink for inkjet recording Hiroshi Kiyomoto, Masashi Hiroki, Takaya Kitawaki 2010-05-04
7579390 Inkjet ink composition and printed matters created using inkjet ink composition Toru Ushirogouchi, Kazuhiko Ohtsu, Mitsuru Ishibashi, Masahi Hiroki 2009-08-25
7500745 Liquid ink and recording apparatus Toru Ushirogouchi, Chiaki Tanuma, Kazuhiko Ohtsu, Masashi Hiroki, Yoshito Endo 2009-03-10
7473720 Photosensitive inkjet ink Toru Ushirogouchi, Kazuhiko Ohtsu, Mitsuru Ishibashi, Hiroshi Kiyomoto, Yukiko Kawakami 2009-01-06
7439281 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, Kazuhiko Ohtsu, Masashi Hiroki, Mitsuru Ishibashi 2008-10-21
7425525 Washing solution for inkjet printer head and washing method using the solution Toru Ushirogouchi, Mitsuru Ishibashi, Kazuhiko Ohtsu, Masashi Hiroki 2008-09-16
7417074 Ink for ink jet and ink jet recording apparatus Masashi Hiroki, Kazuhiko Ohtsu, Yoshito Endo, Toru Ushirogouchi 2008-08-26
7404852 Inkjet ink, inkjet recording method, method of evaluating inkjet ink, and method of manufacturing inkjet ink Mitsuru Ishibashi, Toru Ushirogochi, Kazuhiko Ohtsu, Masashi Hiroki 2008-07-29
7387380 Liquid ink and recording apparatus Toru Ushirogouchi, Chiaki Tanuma, Kazuhiko Ohtsu, Masashi Hiroki, Yoshito Endo 2008-06-17
7375145 Inkjet ink Toru Ushirogouchi, Kazuhiko Ohtsu, Mitsuru Ishibashi, Hiroshi Kiyomoto, Yukiko Kawakami 2008-05-20