KY

Keiichi Yoshida

Ricoh Company: 22 patents #966 of 9,818Top 10%
HI Hitachi: 17 patents #2,231 of 28,497Top 8%
RT Renesas Technology: 15 patents #114 of 3,337Top 4%
HE Hitachi Vlsi Engineering: 10 patents #77 of 666Top 15%
HC Hitachi Ulsi Systems Co.: 9 patents #70 of 867Top 9%
OV Osaka Vacuum: 5 patents #4 of 15Top 30%
SS Sumitomo Wiring Systems: 4 patents #805 of 2,615Top 35%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
KO Konami: 2 patents #121 of 445Top 30%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
SI Synaptics Incorporated: 1 patents #354 of 606Top 60%
HC Hitachi Device Engineering Co.: 1 patents #292 of 514Top 60%
📍 Yokkaichi, WA: #1 of 3 inventorsTop 35%
Overall (All Time): #30,197 of 4,157,543Top 1%
69
Patents All Time

Issued Patents All Time

Showing 51–69 of 69 patents

Patent #TitleCo-InventorsDate
6501682 Nonvolatile semiconductor memory device 2002-12-31
6496418 Semiconductor integrated circuit and data processing system Takayuki Kawahara, Hiroshi Sato, Atsushi Nozoe, Satoshi Noda, Shoji Kubono +2 more 2002-12-17
6459621 Semiconductor integrated circuit and data processing system Takayuki Kawahara, Hiroshi Sato, Atsushi Nozoe, Satoshi Noda, Shoji Kubono +2 more 2002-10-01
6320785 Nonvolatile semiconductor memory device and data writing method therefor Shooji Kubono 2001-11-20
6285597 Semiconductor integrated circuit and data processing system Takayuki Kawahara, Hiroshi Sato, Atsushi Nozoe, Satoshi Noda, Shoji Kubono +2 more 2001-09-04
6224484 Progressive gaming system Yoichi Okuda, Koichi Ozaki, Takashi Yamaguchi, Junichi SASA 2001-05-01
6163485 Semiconductor integrated circuit data processing system Takayuki Kawahara, Hiroshi Sato, Atsushi Nozoe, Satoshi Noda, Shoji Kubono +2 more 2000-12-19
6134148 Semiconductor integrated circuit and data processing system Takayuki Kawahara, Hiroshi Sato, Atsushi Nozoe, Satoshi Noda, Shoji Kubono +2 more 2000-10-17
6091640 Semiconductor integrated circuit with multiple write operation modes Takayuki Kawahara, Hiroshi Sato, Atsushi Nozoe, Satoshi Noda, Shoji Kubono +2 more 2000-07-18
5959882 Nonvolatile semiconductor memory device and data writing method therefor Shooji Kubono 1999-09-28
5699311 Semiconductor memory device Hiroshi Sato, Tetsuya Tsujikawa 1997-12-16
5654916 Semiconductor memory device having an improved sense amplifier arrangement Hiroshi Sato, Tetsuya Tsujikawa 1997-08-05
5532971 Nonvolatile semiconductor memory having enhanced speed for erasing and programming Toshihiro Tanaka, Masataka Kato, Hitoshi Kume, Yoshinobu Nakagome, Katsutaka Kimura 1996-07-02
5473570 Semiconductor memory device having an improved sense amplifier arrangement Hiroshi Sato, Tetsuya Tsujikawa 1995-12-05
5221179 Vacuum pump Tatsuji Ikegami, Tetsuro Ohbayashi, Masashi Iguchi 1993-06-22
5219269 Vacuum pump Tatsuji Ikegami, Tetsuro Ohbayashi, Masashi Iguchi 1993-06-15
5217346 Vacuum pump Tatsuji Ikegami, Tetsuro Ohbayashi, Masashi Iguchi 1993-06-08
5160250 Vacuum pump with a peripheral groove pump unit Tatsuji Ikegami, Tetsuro Ohbayashi, Masashi Iguchi 1992-11-03
5074747 Vacuum pump Tatsuji Ikegami, Tetsuro Ohbayashi, Masashi Iguchi 1991-12-24