KN

Kazuhiko Nakada

MC Menicon Co.: 39 patents #1 of 263Top 1%
MC Mitsubishi Gas Chemical Company: 3 patents #605 of 1,727Top 40%
SC Shin-Etsu Chemical Co.: 3 patents #839 of 2,176Top 40%
Ericsson: 2 patents #3,590 of 9,909Top 40%
TC Toyo Contact Lens Co.: 1 patents #17 of 29Top 60%
MK Murata Kikai: 1 patents #251 of 454Top 60%
ND Nitto Denko: 1 patents #1,580 of 2,479Top 65%
KC Kowa Company: 1 patents #310 of 562Top 60%
Overall (All Time): #68,312 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 1–25 of 44 patents

Patent #TitleCo-InventorsDate
8989178 System and method for indicating circuit switched access at IMS registration Ralf Keller, George Foti 2015-03-24
8710157 Contact lens material Yasuhiko Suzuki, Tsuyoshi Watanabe, Takahiro Adachi, Mamoru Hagiwara, Masahiko Minemura 2014-04-29
8662663 Hybrid soft contact lens, and production method and hydration treatment method thereof Ryo Matsushita, Koji Otani, Kazuharu Niwa 2014-03-04
8523878 Method of producing medical instrument Kohsuke Satake, Kazuharu Niwa, Ryo Matsushita, Yasuhiko Suzuki, Hiroko Nomura 2013-09-03
8501878 Method for producing polycarbonate material having excellent solubility and affinity, and contact lens material comprising the same Yasuhiko Suzuki, Tsuyoshi Watanabe, Takahiro Adachi, Mamoru Hagiwara, Masahiko Minemura 2013-08-06
8340084 System and method for indicating circuit switched access at IMS registration Ralf Keller, George Foti 2012-12-25
8173720 Transparent gel and contact lense from the same Takahito Nakase, Takahiro Adachi, Akira Yamamoto, Masahiko Minemura 2012-05-08
7837327 Contact lens user support system and support method Hidenari Tanaka, Hiroaki Suzuki, Sadanori Ohno, Tetsuji Kawai 2010-11-23
7560421 Method of disinfecting contact lens and disinfecting liquid for the method Kotaro Sakanishi 2009-07-14
7364723 Liquid preparation for contact lenses Chikako Nakamura, Tatsuya Hayashi 2008-04-29
7270716 Method of selecting contact lens and/or care system therefor Sadanori Ohno, Tetsuji Kawai, Hiroaki Suzuki 2007-09-18
7053997 Method of obtaining particulars of ophthalmic lens Hiroaki Suzuki 2006-05-30
7044598 Lens for eye and method for marking thereof Masahiro Matsumoto 2006-05-16
7037954 Ocular lens material Masaki Baba, Tsuyoshi Watanabe 2006-05-02
6997554 Method of marking ophthalmic lens by using laser radiation Hiroaki Suzuki, Kenichi Ishihara, Yuuji Gotou 2006-02-14
6857744 Method of marking ophhalmic lens by using laser radiation of femtosecond pulse width Hiroaki Suzuki, Kenichi Ishihara, Yuuji Gotou 2005-02-22
6790873 Ocular lens and process for its production Yoshihiro Tomono 2004-09-14
6790409 Method of disinfecting contact lens and disinfecting liquid for the method Chikako Nakamura, Tatsuya Hayashi, Kotaro Sakanishi 2004-09-14
6727336 Ocular lens materials and process for producing the same Eri Ito, Tetsuji Kawai, Sadanori Oono, Misako Nishibayashi 2004-04-27
6638991 Material for ocular lens Masaki Baba, Tsuyoshi Watanabe 2003-10-28
6610350 Method of modifying ophthalmic lens surface by plasma generated at atmospheric pressure Hiroaki Suzuki, Yuuji Gotou 2003-08-26
6447118 Optical water-absorptive gel and ophthalmic material using the same Akiko Okumura 2002-09-10
6329445 Ocular lens material Akiko Okumura, Akinori Okumura 2001-12-11
6190651 Solution for preserving contact lenses for shipping and method for preserving contact lenses for shipping employing it Yutaka Matano 2001-02-20
6160069 Liquid for contact lenses Tetsuji Kawai 2000-12-12