YT

Yasuhiko Tsukikawa

Mitsubishi Electric: 26 patents #631 of 25,717Top 3%
RT Renesas Technology: 12 patents #178 of 3,337Top 6%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #76,373 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
5995427 Semiconductor memory device having test mode 1999-11-30
5982705 Semiconductor memory device permitting large output current from output buffer 1999-11-09
5966316 Semiconductor memory device having storage capacity of 2.sup.2N+1 bits 1999-10-12
5905690 Synchronous semiconductor device having circuitry capable of surely resetting test mode Mikio Sakurai, Susumu Tanida, Masaya Nakano, Takahiko Fukiage 1999-05-18
5905679 Semiconductor memory device clamping the overshoot and undershoot of input signal by circuit with PN junction 1999-05-18
5761141 Semiconductor memory device and test method therefor Hisao Kobashi 1998-06-02
5751645 Semiconductor memory device with reduced output noise 1998-05-12
5715212 Semiconductor memory device comprising address transition detecting circuit having stable response characteristic for address signal conversion Susumu Tanida 1998-02-03
5696726 Complementary differential amplifier in which direct current amplification gain can be set arbitrarily and semiconductor memory divice using the same 1997-12-09
5694352 Semiconductor memory device having layout area of periphery of output pad reduced Susumu Tanida, Kiyohiro Furutani, Takayuki Miyamoto 1997-12-02
5652725 Semiconductor memory device having a redundant row and a redundant column which can be accessed prior to substitution Katsuhiro Suma, Masaki Tsukude 1997-07-29
5619457 Dynamic semiconductor memory device that can control through current of input buffer circuit for external input/output control signal Goro Hayakawa 1997-04-08
5563840 Integrated semiconductor device Goro Hayakawa 1996-10-08
5448516 Semiconductor memory device suitable for high integration Shigeru Kikuda, Hiroshi Miyamoto 1995-09-05
5394365 Charge pump circuit having an improved charge pumping efficiency 1995-02-28
5014646 Method and apparatus for writing oxide film Yufuko Ito, Hideo Koseki, Toshio Kawamura 1991-05-14