YN

Yoshitomo Nakagawa

SI Seiko Instruments: 16 patents #100 of 1,437Top 7%
HS Hitachi High-Tech Science: 4 patents #39 of 167Top 25%
SN Sii Nanotechnology: 2 patents #63 of 157Top 45%
Overall (All Time): #191,397 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
11906899 Mask defect repair apparatus and mask defect repair method Mitsuto Aso, Katsumi Suzuki, Mamoru Okabe, Masakatsu Hasuda 2024-02-20
11721517 Focused ion beam processing apparatus Hiroshi Oba, Yasuhiko Sugiyama, Koji Nagahara 2023-08-08
9820370 Heat transfer system for an inductively coupled plasma device Yutaka Ikku 2017-11-14
9726611 Stabilized ICP emission spectrometer and method of using 2017-08-08
8274063 Composite focused ion beam device, process observation method using the same, and processing method Takashi Kaito, Junichi Tashiro, Yasuhiko Sugiyama, Toshiaki Fujii, Kazuo Aita +1 more 2012-09-25
7755065 Focused ion beam apparatus Kenichi Nishinaka 2010-07-13
6031379 Plasma ion mass analyzing apparatus Shinichi Takada 2000-02-29
6002129 Inductively coupled plasma mass spectrometric and spectrochemical analyzer Tetsumasa Ito, Osamu Matsuzawa 1999-12-14
5867262 Sample introducing device for inductively coupled plasma analyzer Toru Etoh 1999-02-02
5804821 Plasma ion source mass analyzer 1998-09-08
5773823 Plasma ion source mass spectrometer Tetsumasa Ito 1998-06-30
5559337 Plasma ion source mass analyzing apparatus Tetsumasa Ito 1996-09-24
5477048 Inductively coupled plasma mass spectrometer Tetsumasa Ito, Toru Eto 1995-12-19
5426299 Inductive plasma mass spectrometer Tetsumasa Itoh 1995-06-20
5334834 Inductively coupled plasma mass spectrometry device Tetsumasa Ito 1994-08-02
5071671 Process for forming pattern films Takashi Kaito, Hisao Houjyo, Masahiro Yamamoto 1991-12-10
4999492 Inductively coupled plasma mass spectrometry apparatus 1991-03-12
4930439 Mask-repairing device Mitsuyoshi Sato, Takashi Kaito 1990-06-05
4902530 Method of correcting a pattern film Anto Yasaka, Mitsuyoshi Sato 1990-02-20
4874460 Method and apparatus for modifying patterned film Takehiro Yamaoka 1989-10-17
4874632 Process for forming pattern film Takashi Kaito, Hisao Houjyo, Masahiro Yamamoto 1989-10-17
4851097 Apparatus for repairing a pattern film Osamu Hattori, Anton Yasaka, Mitsuyoshi Sato, Sumio Sasaki 1989-07-25