KY

Katsuyuki Yamada

Ricoh Company: 60 patents #134 of 9,818Top 2%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
FL Fujitsu Vlsi Limited: 1 patents #91 of 256Top 40%
Overall (All Time): #36,052 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 51–63 of 63 patents

Patent #TitleCo-InventorsDate
5785828 Sputtering target for producing optical recording medium Hiroko Iwasaki, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi +2 more 1998-07-28
5736657 Sputtering target Yukio Ide, Hiroko Iwasaki, Yoshiyuki Kageyama, Yujiro Kaneko, Michiaki Shinotsuka +2 more 1998-04-07
5674599 Deposited multi-layer device 1997-10-07
5646924 Recording and simultaneous verifying method of phase-changing type of information recording medium Osamu Nonoyama, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi +2 more 1997-07-08
5543945 Method of driving an LCD employing combining two voltages which change polarity at different times in a frame Yuji Kimura, Eiichi Ohta, Hitoshi Kondo, Masaetsu Takahashi, Kenji Kameyama 1996-08-06
5506808 Semiconductor memory device and method for reading data Tohru Yasuda 1996-04-09
5319479 Deposited multi-layer device with a plastic substrate having an inorganic thin film layer Eiichi Ohta, Kenji Kameyama, Hitoshi Kondo, Yuji Kimura, Masaetsu Takahashi +1 more 1994-06-07
5100700 Information recording medium Yukio Ide, Makoto Harigaya, Hiroko Iwasaki 1992-03-31
5083292 Bipolar random access memory Teruaki Maeda, Yoshichika Nakaya 1992-01-21
5080947 Information recording medium Narihito Kojima, Yukio Ide, Makoto Harigaya, Hiroko Iwasaki 1992-01-14
5024927 Information recording medium Yukio Ide, Makoto Harigaya, Hiroko Iwasaki 1991-06-18
5011723 Optical information recording medium Makoto Harigaya, Yukio Ide, Hiroko Iwasaki 1991-04-30
4432076 Bipolar static semiconductor memory device with a high cell holding margin Hideaki Isogai 1984-02-14