HI

Hidetoshi Iwai

HI Hitachi: 33 patents #772 of 28,497Top 3%
HE Hitachi Vlsi Engineering: 8 patents #95 of 666Top 15%
TI Texas Instruments: 5 patents #2,788 of 12,488Top 25%
EM Elpida Memory: 2 patents #267 of 692Top 40%
HS Hitachi Hokkai Semiconductor: 1 patents #44 of 98Top 45%
HS Hitachi Tohbu Semiconductor: 1 patents #126 of 223Top 60%
Overall (All Time): #94,985 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
7464315 Semiconductor memory device Yutaka Ito, Eiji Yamasaki 2008-12-09
7318183 Data storing method of dynamic RAM and semiconductor memory device Yutaka Ito 2008-01-08
7051260 Data storing method of dynamic RAM and semiconductor memory device Yutaka Ito 2006-05-23
6906971 Semiconductor integrated circuit device Masayuki Nakamura, Kazuyuki Miyazawa 2005-06-14
6791132 Memory semiconductor device with reduced sense amplifier area Kiyoshi Nakai 2004-09-14
6697992 Data storing method of dynamic RAM and semiconductor memory device Yutaka Ito 2004-02-24
6680501 Semiconductor device Yutaka Ito 2004-01-20
6078084 Semiconductor integrated circuit device Masayuki Nakamura, Kazuyuki Miyazawa 2000-06-20
5910010 Semiconductor integrated circuit device, and process and apparatus for manufacturing the same Hirotaka Nishizawa, Tomoyoshi Miura, Ichirou Anjou, Masamichi Ishihara, Masahiro Yamamura +17 more 1999-06-08
5805513 Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor Yasushi Takahashi, Satoshi Oguchi, Hisashi Nakamura, Hiroyuki Uchiyama, Toshitugu Takekuma +10 more 1998-09-08
5736277 Method of making mask pattern data and process for manufacturing the mask Toshitsugu Takekuma, Toshio Suzuki, Masamichi Ishihara 1998-04-07
5689465 Semiconductor memory device and defective memory cell correction circuit Shunichi Sukegawa, Takumi Nasu 1997-11-18
5654577 Semiconductor integrated circuit device Masayuki Nakamura, Kazuyuki Miyazawa 1997-08-05
5629898 Dynamic memory device, a memory module, and a method of refreshing a dynamic memory device Youji Idei, Katsuhiro Shimohigashi, Masakazu Aoki, Hiromasa Noda, Katsuyuki Sato +5 more 1997-05-13
5610089 Method of fabrication of semiconductor integrated circuit device Kazumichi Mitsusada, Masamichi Ishihara, Tetsuro Matsumoto, Kazuyuki Miyazawa, Hisao Katto +1 more 1997-03-11
5594279 Semiconductor device having shield wiring for noise suppression Yutaka Itou, Toshiyuki Sakuta, Takumi Nasu, Tomohiro Suzuki 1997-01-14
5565285 Method of making mask pattern data and process for manufacturing the mask Toshitsugu Takekuma, Toshio Suzuki, Masamichi Ishihara 1996-10-15
5550394 Semiconductor memory device and defective memory cell correction circuit Shunichi Sukegawa, Takumi Nasu 1996-08-27
5534723 Semiconductor integrated circuit device having output and internal circuit MISFETS Kazumichi Mitsusada, Masamichi Ishihara, Tetsuro Matsumoto, Kazuyuki Miyazawa, Hisao Katto +1 more 1996-07-09
5498897 Transistor layout for semiconductor integrated circuit Katsuo Komatsuzaki, Masayasu Kawamura 1996-03-12
5485425 Semiconductor memory device having redundant column and operation method thereof Masaya Muranaka, Takumi Nasu, Shunichi Sukegawa 1996-01-16
5483490 Semiconductor integrated device and wiring correction arrangement therefor Masamichi Ishihara, Kazuya Ito, Wataru Arakawa, Yoshinobu Nakagome 1996-01-09
5458998 Method of making mask pattern data and process for manufacturing the mask Toshitsugu Takekuma, Toshio Suzuki, Masamichi Ishihara 1995-10-17
5436483 Semiconductor integrated circuit device having a first MISFET of an output buffer circuit and a second MISFET of an internal circuit Kazumichi Mitsusada, Masamichi Ishihara, Tetsuro Matsumoto, Kazuyuki Miyazawa, Hisao Katto +1 more 1995-07-25
5436484 Semiconductor integrated circuit device having input protective elements and internal circuits Kazumichi Mitsusada, Masamichi Ishihara, Tetsuro Matsumoto, Kazuyuki Miyazawa, Hisao Katto +1 more 1995-07-25