YI

Yasuyuki Ishikawa

DE Denso: 9 patents #1,418 of 11,792Top 15%
Canon: 8 patents #7,260 of 19,416Top 40%
📍 Kawaguchi, JP: #27 of 473 inventorsTop 6%
Overall (All Time): #256,663 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
9850316 Method for refolding antibody, process for producing refolded antibody, refolded antibody, and uses thereof Yoichi Kumada, Yusuke Fujiwara, Michimasa Kishimoto 2017-12-26
7906946 Semiconductor integrated circuit device for providing series regulator Shinichirou Taguchi, Akira Suzuki, Hideaki Ishihara 2011-03-15
7560996 Frequency-multiplied clock signal output circuit Yoshinori Teshima, Hideaki Ishihara 2009-07-14
7467294 Microcomputer with mode decoder operable upon receipt of either power-on or external reset signal Toshihiko Matsuoka, Naoki Ito, Hideaki Ishihara 2008-12-16
7313048 Reset detection circuit in semiconductor integrated circuit Akira Suzuki, Hideaki Ishihara 2007-12-25
7248092 Clamp circuit device Katsutoyo Misawa, Akira Suzuki, Yoshinori Teshima, Hideaki Ishihara, Toshiharu Muramatsu 2007-07-24
7221206 Integrated circuit device having clock signal output circuit Katsutoyo Misawa, Akira Suzuki, Yoshinori Teshima, Hideaki Ishihara 2007-05-22
7203921 Method and system for designing an integrated circuit with reduced noise Kouji Ichikawa 2007-04-10
6677781 Semiconductor integrated circuit device Kouji Ichikawa, Hideaki Ishihara 2004-01-13
6657318 Semiconductor integrated circuit device and method for mounting circuit blocks in semiconductor integrated circuit device Kouji Ichikawa 2003-12-02
4812033 Ophthalmic apparatus 1989-03-14
4755041 Eye refractive power measuring apparatus Takashi Masuda, Toshio Sakane 1988-07-05
4678297 Ophthalmic instrument Isao Matsumura 1987-07-07
4533222 Eye examining instrument 1985-08-06
4421391 Auto eye-refractometer Isao Matsumura, Reiji Hirano, Shigeo Maruyama, Yoshimi Kohayakawa 1983-12-20
4376573 Apparatus for measuring the refractive power of the eye Isao Matsumura, Shigeo Maruyama, Reiji Hirano, Yoshimi Kohayakawa 1983-03-15
4372655 Automatic eye-refractometer Isao Matsumura, Shigeo Maruyama, Reiji Hirano, Yoshimi Kohayakawa 1983-02-08
4293198 Eye refractometer Yoshimi Kohayakawa, Shigeo Maruyama 1981-10-06