II

Isao Ikuta

HI Hitachi: 17 patents #2,231 of 28,497Top 8%
RT Renesas Technology: 4 patents #758 of 3,337Top 25%
Overall (All Time): #211,135 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7805123 RF transceiver using hopping frequency synthesizer Yoshikazu Sugiyama, Yusaku Katsube 2010-09-28
7418250 Quadrature mixer circuits and mobile terminal using the same Yutaka Igarashi, Akio Yamamoto 2008-08-26
7340232 Receiving system and semiconductor integrated circuit device for processing wireless communication signal Motoki Murakami, Yutaka Igarashi, Akio Yamamoto, Yoshiaki Harasawa 2008-03-04
7184739 Quadrature mixer circuits and mobile terminal using the same Yutaka Igarashi, Akio Yamamoto 2007-02-27
6628361 Liquid crystal display device and wiring structure therefor Takuya Takahashi, Yoichi Sakaki, Katsumi Tamura, Ken-ichi Onisawa 2003-09-30
6127210 Manufacturing method of CMOS thin film semiconductor device and CMOS thin film semiconductor device manufactured thereby Akio Mimura, Hiroshi Suga, Masaichi Nagai, Youmei Shinagawa 2000-10-03
RE36624 Optical recording media and information recording and reproducing units Yoshihito Maeda, Hisashi Andoh, Masaichi Nagai, Yoshimi Katoh, Yoshio Sato +2 more 2000-03-21
5583840 ROM type optical recording medium with a high reflectivity and an optical head operable on ROM, write-one and rewritable disk Hiroyuki Minemura, Yoshio Sato, Nobuyoshi Tsuboi, Hisashi Andoh, Masaichi Nagai +4 more 1996-12-10
5572502 Optical disk apparatus Atsuko Naruse, Yoshihito Maeda, Yoshimi Kato, Hisashi Andoh, Masaichi Nagai +4 more 1996-11-05
5484686 Optical recording media and information recording and reproducing units Yoshihito Maeda, Hisashi Andoh, Masaichi Nagai, Yoshimi Katoh, Yoshio Sato +2 more 1996-01-16
5475656 Optical disk memory and information processing apparatus Yoshio Sato, Nobuyoshi Tsuboi, Hiroyuki Minemura, Hisashi Andoh, Masaichi Nagai +4 more 1995-12-12
5420845 Methods of varying optical properties, optical devices, information recording media and information recording methods and apparatuses Yoshihito Maeda, Masaichi Nagai, Yoshimi Kato, Hisashi Andoh, Nobuo Tsukamoto 1995-05-30
5371730 Optical memory and information processing apparatus Yoshihito Maeda, Masaichi Nagai, Yoshimi Katou, Hisashi Andoh, Nobuyoshi Tsuboi +4 more 1994-12-06
5317556 Information processing apparatus and optical head incorporated therein Nobuyoshi Tsuboi, Yoshio Sato, Hiroyuki Minemura, Hisashi Andoh, Masaichi Nagai +4 more 1994-05-31
5274612 Information processor and disk memory used in the same Yoshio Sato, Nobuyoshi Tsuboi, Hiroyuki Minemura, Hisashi Andoh, Masaichi Nagai +4 more 1993-12-28
5187052 Optical recording medium Yoshihito Maeda, Toshiki Kaneko, Masaichi Nagai, Hisashi Andoh, Yoshimi Katou +1 more 1993-02-16
4950173 Service temperature connector and packaging structure of semiconductor device employing the same Tetsuro Minemura, Hisashi Ando, Yoshiaki Kita 1990-08-21
4773059 Information recording and reproducing apparatus having recording medium made of alloy which has at least two different crystalline structures in its solid state Tetsuro Minemura, Hisashi Andoh, Yoshiaki Kita 1988-09-20
4743526 Alloy having variable spectral reflectance and information recording material making use of the same Hisashi Ando, Tetsuro Minemura, Yosimi Katou, Mituo Nakamura 1988-05-10
4726858 Recording material Tetsuro Minemura, Hisashi Ando, Yoshiaki Kita 1988-02-23
4301855 Apparatus for producing metal ribbon Hideo Suzuki, Sadami Tomita, Joo Ishihara 1981-11-24