HI

Hitoshi Ishizawa

NI Nikon: 19 patents #201 of 2,493Top 9%
OH Oji Holdings: 1 patents #74 of 176Top 45%
OC Oji Paper Co.: 1 patents #173 of 423Top 45%
Overall (All Time): #205,609 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11642652 Inorganic fiber sheet, honeycomb molded body and honeycomb filter Masahiro Kawakita, Yuki Kita 2023-05-09
10175584 Optical element and exposure apparatus Takeshi Shirai, Takao Kokubun, Atsunobu Murakami 2019-01-08
10088760 Exposure apparatus, exposure method, method for producing device, and optical part Hiroyuki Nagasaka, Hiroaki Takaiwa, Shigeru Hirukawa, Ryuichi Hoshika 2018-10-02
9915761 Optical system having optical thin film including amorphous silicon oxide-based binder Shunsuke Niisaka, Tsuyoshi Murata 2018-03-13
9586867 CaF2 translucent ceramics and manufacturing method of CaF2 translucent ceramics 2017-03-07
9182685 Exposure apparatus, exposure method, method for producing device, and optical part Hiroyuki Nagasaka, Hiroaki Takaiwa, Shigeru Hirukawa, Ryuichi Hoshika 2015-11-10
9046796 Optical element and exposure apparatus Takeshi Shirai, Takao Kokubun, Atsunobu Murakami 2015-06-02
9019469 Exposure apparatus, exposure method, method for producing device, and optical part Hiroyuki Nagasaka, Hiroaki Takaiwa, Shigeru Hirukawa, Ryuichi Hoshika 2015-04-28
8618008 Ca—La—F based transparent ceramic, Ca—La—F based transparent ceramic, optical element, optical system, and ceramic-forming composition 2013-12-31
8206679 Method for producing Ca-La-F based transparent ceramic, Ca-La-F based transparent ceramic, optical element, optical system, and ceramic-forming composition 2012-06-26
8189170 Optical element and exposure apparatus Takeshi Shirai, Takao Kokubun, Atsunobu Murakami 2012-05-29
8149381 Optical element and exposure apparatus Takeshi Shirai, Takao Kokubun, Atsunobu Murakami 2012-04-03
8098432 Optical multi-layer thin film, optical element, and method for producing the optical multi-layer thin film Shunsuke Niisaka 2012-01-17
8054447 Exposure apparatus, exposure method, method for producing device, and optical part Hiroyuki Nagasaka, Hiroaki Takaiwa, Shigeru Hirukawa, Ryuichi Hoshika 2011-11-08
7993008 Optical element and exposure apparatus Takeshi Shirai, Takao Kokubun, Atsunobu Murakami 2011-08-09
7760447 Optical member and method for manufacturing the same Tomohiko Yamahiro, Yasuto Matsuba 2010-07-20
7697111 Optical element and exposure apparatus Takeshi Shirai, Takao Kokubun, Atsunobu Murakami 2010-04-13
6870602 Method for forming optical thin film and optical element provided with optical thin film Tsuyoshi Murata 2005-03-22
6574039 Optical element with multilayer thin film and exposure apparatus with the element Tsuyoshi Murata 2003-06-03
5851655 Receiving paper for melt-type heat transfer recording Tomofumi Tokiyoshi, Masaru Kato 1998-12-22
5478237 Implant and method of making the same 1995-12-26