Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YO

Yoshitada Oshida

HIHitachi: 42 patents #441 of 28,497Top 2%
HMHitachi Via Mechanics: 4 patents #8 of 109Top 8%
RTRenesas Technology: 4 patents #758 of 3,337Top 25%
HCHitachi Cable: 1 patents #530 of 1,086Top 50%
HDHitachi Displays: 1 patents #519 of 752Top 70%
HHHitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
Overall (All Time): #51,201 of 4,157,543Top 2%
52 Patents All Time

Issued Patents All Time

Showing 26–50 of 52 patents

Patent #TitleCo-InventorsDate
5392115 Method of detecting inclination of a specimen and a projection exposure device as well as method of detecting period of periodically varying signal Taku Ninomiya, Toshiei Kurosaki 1995-02-21
5329333 Exposure apparatus and method Minori Noguchi, Yukio Kenbo, Masataka Shiba, Yasuhiro Yoshitaka, Makoto Murayama 1994-07-12
5324953 Reduced-projection exposure system with chromatic aberration correction system including diffractive lens such as holographic lens Yasuhiro Yoshitake, Masataka Shiba, Yasuhiko Nakayama 1994-06-28
5302999 Illumination method, illumination apparatus and projection exposure apparatus Tutomu Tawa, Yukihiro Shibata, Shigemi Ishii, Minori Noguchi, Tsuneo Terasawa +1 more 1994-04-12
5247329 Projection type exposure method and apparatus Toshiei Kurosaki, Akira Inagaki, Yoshihiko Aiba 1993-09-21
5227862 Projection exposure apparatus and projection exposure method Tetsuzo Tanimoto, Minoru Tanaka 1993-07-13
5209813 Lithographic apparatus and method Genya Matsuoka, Teruo Iwasaki, Toshio Kaneko, Hiroyuki Takahashi, Hiroyoshi Ando +2 more 1993-05-11
5164789 Method and apparatus for measuring minute displacement by subject light diffracted and reflected from a grating to heterodyne interference Yasuhiro Yoshitake, Soichi Katagiri, Shuji Sugiyama, Yoshimitsu Saze 1992-11-17
5016149 Illuminating method and illuminating apparatus for carrying out the same, and projection exposure method and projection exposure apparatus for carrying out the same Minoru Tanaka, Yasuhiro Yoshitake, Tetsuzo Tanimoto 1991-05-14
5008702 Exposure method and apparatus Tsutomu Tanaka, Masataka Shiba, Naoto Nakashima, Ryuichi Funatsu 1991-04-16
4993837 Method and apparatus for pattern detection Yasuhiro Yoshitake, Naoto Nakashima, Masataka Shiba 1991-02-19
4922290 Semiconductor exposing system having apparatus for correcting change in wavelength of light source Yasuhiro Yoshitake 1990-05-01
4862008 Method and apparatus for optical alignment of semiconductor by using a hologram Naoto Nakashima, Yasuhiro Yoshitake 1989-08-29
4819033 Illumination apparatus for exposure Yasuhiro Yoshitake, Masataka Shiba, Naoto Nakashima 1989-04-04
4795261 Reduction projection type aligner Toshihiko Nakata, Masataka Shiba 1989-01-03
4779986 Reduction projection system alignment method and apparatus Naoto Nakashima 1988-10-25
4777374 Pattern position detecting method and apparatus for detecting the position of an alignment direction of a wafer target pattern Toshihiko Nakata, Masataka Shiba 1988-10-11
4744666 Alignment detection optical system of projection type aligner Naoto Nakashima, Toshihiko Nakata 1988-05-17
4725737 Alignment method and apparatus for reduction projection type aligner Toshihiko Nakata, Masataka Shiba, Sachio Uto, Atsuhiro Yoshizaki 1988-02-16
4701050 Semiconductor exposure apparatus and alignment method therefor Masataka Shiba, Naoto Nakashima, Toshihiko Nakata, Sachio Uto 1987-10-20
4676637 Exposure apparatus with foreign particle detector Sachio Uto, Masataka Shiba 1987-06-30
4668089 Exposure apparatus and method of aligning exposure mask with workpiece Masataka Shiba, Toshihiko Nakata, Mitsuyoshi Koizumi, Naoto Nakashima 1987-05-26
4564296 Plate thickness measuring method and apparatus Hiroshi Makihara, Nobuhiko Aoki 1986-01-14
4553844 Configuration detecting method and system Yasuo Nakagawa, Kanji Ishige 1985-11-19
4473750 Three-dimensional shape measuring device Yoichi Kawata, Shinobu Watanabe, Noboru Umehara, Kenichi Isoda 1984-09-25