HW

Hirohito Watanabe

NE Nec: 31 patents #239 of 14,502Top 2%
FU Fujikura: 14 patents #57 of 1,407Top 5%
AK Asm Japan K.K.: 2 patents #42 of 128Top 35%
NE Nec Electronics: 2 patents #384 of 1,789Top 25%
NT NTT: 1 patents #2,911 of 4,871Top 60%
Overall (All Time): #65,695 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 26–45 of 45 patents

Patent #TitleCo-InventorsDate
6024888 Vapor selective etching method and apparatus Mitsusuke Kyogoku 2000-02-15
6022772 Stacked capacitor having a corrugated electrode Ichiroh Honma 2000-02-08
5989969 Method of producing silicon layer having surface controlled to be uneven Ichiro Honma 1999-11-23
5972750 Nonvolatile semiconductor memory device and manufacturing method of the same Hiroki Shirai, Taishi Kubota, Ichiro Honma, Haruhiko Ono, Takeshi Okazawa 1999-10-26
5973355 Nonvolatile semiconductor memory device and manufacturing method of the same Hiroki Shirai, Taishi Kubota, Ichiro Honma, Haruhiko Ono, Takeshi Okazawa 1999-10-26
5959326 Capacitor incorporated in semiconductor device having a lower electrode composed of multi-layers or of graded impurity concentration Fumiki Aiso, Toshiyuki Hirota, Masanobu Zenke, Shuji Fujiwara 1999-09-28
5910019 Method of producing silicon layer having surface controlled to be uneven or even Ichiro Honma 1999-06-08
5863602 Method for capturing gaseous impurities and semiconductor device manufacturing apparatus Toshiyuki Hirota, Takashi Ogawa 1999-01-26
5837594 Method of manufacturing a semiconductor device wherein one of capacitor electrodes comprises a conductor pole and a tray-shaped conductor layer Ichiroh Honma 1998-11-17
5835337 Stacked capacitor having a corrugated electrode Ichiroh Honma 1998-11-10
5753949 Semiconductor device wherein one of capacitor electrodes comprises a conductor pole and conductor layer Ichiroh Honma 1998-05-19
5723379 Method for fabricating polycrystalline silicon having micro roughness on the surface Toru Tatsumi 1998-03-03
5691249 Method for fabricating polycrystalline silicon having micro roughness on the surface Toru Tatsumi 1997-11-25
5661052 Method of fabricating semiconductor device having low-resistance gate electrode and diffusion layers Ken Inoue, Makoto Sekine, Ichirou Honma 1997-08-26
5658417 HF vapor selective etching method and apparatus Mitsusuke Kyogoku 1997-08-19
5623243 Semiconductor device having polycrystalline silicon layer with uneven surface defined by hemispherical or mushroom like shape silicon grain Toru Tatsumi 1997-04-22
5397748 Method of producing semiconductor device with insulating film having at least silicon nitride film Sadayuki Ohnishi 1995-03-14
5372962 Method of making a semiconductor integrated circuit device having a capacitor with a porous surface of an electrode Toshiyuki Hirota, Ichirou Honma, Masanobu Zenke 1994-12-13
5366917 Method for fabricating polycrystalline silicon having micro roughness on the surface Toru Tatsumi 1994-11-22
5366920 Method for fabricating a thin film capacitor Shintaro Yamamichi, Toshiki Hashimoto, Toshiyuki Sakuma 1994-11-22