HO

Hidetaka Oka

CC Ciba Specialty Chemicals: 14 patents #69 of 1,233Top 6%
Basf Se: 5 patents #3,244 of 13,826Top 25%
BL Basf Se Ludwigshafen: 1 patents #4 of 100Top 4%
📍 Kasai, JP: #403 of 5,842 inventorsTop 7%
Overall (All Time): #223,972 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
9113536 Electroluminescent device Ramachandra V. Joshi, Junichi Tanabe, Sanjoy Lahiri, Dhaval Vashi, Preetam Ghogale 2015-08-18
8946984 Electroluminescent device Junichi Tanabe, Hiroshi Yamamoto 2015-02-03
8735610 Electroluminescent device Junichi Tanabe, Hiroshi Yamamoto 2014-05-27
8034531 Photosensitive resin composition comprising a halogen-free colorant Jean-Marie Adam 2011-10-11
8008507 Fluorescent diketopyrrolopyrroles Hiroshi Yamamoto, Mathias Düggeli 2011-08-30
7989644 Electroluminescent device Junichi Tanabe, Hiroshi Yamamoto 2011-08-02
7829257 Photosensitive resin composition Kazuhiko Kunimoto, Hisatoshi Kura, Masaki Ohwa, Junichi Tanabe 2010-11-09
7759043 Oxime ester photoinitiators Junichi Tanabe, Kazuhiko Kunimoto, Hisatoshi Kura, Masaki Ohwa 2010-07-20
7648738 Oxime ester photoinitiators with heteroaromatic groups Junichi Tanabe, Hisatoshi Kura, Masaki Ohwa 2010-01-19
7556843 Photosensitive resin composition Hisatoshi Kura, Masaki Ohwa 2009-07-07
7425585 Photosensitive resin composition Hisatoshi Kura, Masaki Ohwa 2008-09-16
7381842 Oxime ester photoinitiators Kazuhiko Kunimoto, Masaki Ohwa, Junichi Tanabe, Hisatoshi Kura, Jean-Luc Birbaum 2008-06-03
7247659 Photosensitive resin composition Hisatoshi Kura, Masaki Ohwa 2007-07-24
7198884 Heat stable photocurable resin composition for dry film resist Masaki Ohwa, James Taylor 2007-04-03
7189489 Oxime ester photoiniators having a combined structure Kazuhiko Kunimoto, Junichi Tanabe, Hisatoshi Kura, Masaki Ohwa 2007-03-13
6949678 Oxime ester photoinitiators Kazuhiko Kunimoto, Masaki Ohwa, Junichi Tanabe, Hisatoshi Kura, Jean-Luc Birbaum 2005-09-27
6596445 O-acyloxime photoinitiators Akira Matsumoto, Masaki Ohwa, Hisatoshi Kura, Jean-Luc Birbaum, Kurt Dietliker 2003-07-22
6485885 Photopolymerizable thermosetting resin compositions Masaki Ohwa, Akira Matsumoto, Hisatoshi Kura 2002-11-26
6057380 Photogeneration of amines from .alpha.-aminoacetophenones Jean-Luc Birbaum, Martin Kunz, Akira Kimura, Hisatoshi Kura, Hiroko Nakashima 2000-05-02
6022906 .alpha.-aminoacetophenone photoinitiators Masaki Ohwa, Hitoshi Yamoto, Jean-Luc Birbaum, Hiroko Nakashima, Akira Matsumoto 2000-02-08