IH

Iwao Higashikawa

KT Kabushiki Kaisha Toshiba: 24 patents #1,154 of 21,451Top 6%
SO Sortec: 2 patents #2 of 9Top 25%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
VA Vlsi Technology Research Association: 1 patents #21 of 70Top 30%
Overall (All Time): #140,130 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
6806941 Pattern forming method and pattern forming apparatus Soichi Inoue, Yoji Ogawa, Shigehiro Hara, Kazuko Yamamoto 2004-10-19
6765673 Pattern forming method and light exposure apparatus 2004-07-20
6680462 Heat treating method and heat treating apparatus Hideaki Sakurai, Shinichi Ito, Akitoshi Kumagae 2004-01-20
6635549 Method of producing exposure mask Suigen Kyoh 2003-10-21
6542237 Exposure method for making precision patterns on a substrate Suigen Kyoh, Soichi Inoue 2003-04-01
6495807 Heat treating method and heat treating apparatus Hideaki Sakurai, Shinichi Ito, Akitoshi Kumagae 2002-12-17
6483083 Heat treatment method and a heat treatment apparatus for controlling the temperature of a substrate surface Hideaki Sakurai, Akitoshi Kumagae, Shinichi Ito, Tsunetoshi Arikado, Katsuya Okumura 2002-11-19
6340542 Method of manufacturing a semiconductor device, method of manufacturing a photomask, and a master mask Soichi Inoue, Suigen Kyoh, Ichiro Mori 2002-01-22
6335145 Pattern forming method and pattern forming apparatus Soichi Inoue, Yoji Ogawa, Shigehiro Hara, Kazuko Yamamoto 2002-01-01
6333138 Exposure method utilizing partial exposure stitch area Takayuki Abe 2001-12-25
6333493 Heat treating method and heat treating apparatus Hideaki Sakurai, Shinichi Ito, Akitoshi Kumagae 2001-12-25
6319637 Method for forming pattern Suigen Kyoh 2001-11-20
6265696 Heat treatment method and a heat treatment apparatus for controlling the temperature of a substrate surface Hideaki Sakurai, Akitoshi Kumagae, Shinichi Ito, Tsunetoshi Arikado, Katsuya Okumura 2001-07-24
6165652 Pattern forming method and pattern forming apparatus Soichi Inoue, Yoji Ogawa, Shigehiro Hara, Kazuko Yamamoto 2000-12-26
6040114 Pattern forming method Soichi Inoue, Yoji Ogawa, Shigehiro Hara, Kazuko Yamamoto 2000-03-21
5969428 Alignment mark, manufacturing method thereof, exposing method using the alignment mark, semiconductor device manufactured using the exposing method Hiroshi Nomura, Akitoshi Kumagae 1999-10-19
5907393 Exposure mask and method and apparatus for manufacturing the same Kenji Kawano, Shinichi Ito, Masamitsu Itoh, Takashi Kamo, Hiroaki Hazama +1 more 1999-05-25
5851842 Measurement system and measurement method Ryota Katsumata, Nobuo Hayasaka, Naoki Yasuda, Hideshi Miyajima, Masaki Hotta 1998-12-22
5847468 Alignment mark for use in making semiconductor devices Hiroshi Nomura, Akitoshi Kumagae 1998-12-08
5767521 Electron-beam lithography system and method for drawing nanometer-order pattern Shiro Takeno, Shigeru Kanbayashi, Mitsuo Koike, Seizo Doi 1998-06-16
5728494 Exposure mask and method and apparatus for manufacturing the same Kenji Kawano, Shinichi Ito, Masamitsu Itoh, Takashi Kamo, Hiroaki Hazama +1 more 1998-03-17
5629115 Exposure mask and method and apparatus for manufacturing the same Kenji Kawano, Shinichi Ito, Masamitsu Itoh, Takashi Kamo, Hiroaki Hazama +1 more 1997-05-13
5374502 Resist patterns and method of forming resist patterns Toshihiko Tanaka, Mitsuaki Morigami, Takeo Watanabe 1994-12-20
5326672 Resist patterns and method of forming resist patterns Toshihiko Tanaka, Mitsuaki Morigami, Takeo Watanabe 1994-07-05
5262282 Pattern forming method Katsuhiko Hieda 1993-11-16