TI

Takao Iwayanagi

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
Overall (All Time): #389,700 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6475680 Lithium secondary battery, its electrolyte, and electric apparatus using the same Juichi Arai, Hideaki Katayama, Haruo Akahoshi, Tomoe Takamura 2002-11-05
5554911 Light-emitting elements Takahiro Nakayama, Atsushi Kakuta 1996-09-10
5061599 Radiation sensitive materials Tetsuichi Kudo, Akira Ishikawa, Hiroshi Okamoto, Katsuki Miyauchi, Fumio Murai +1 more 1991-10-29
4985344 Radiation imaging process for forming pattern without alkali-soluble polymer underlayer and water soluble radiation-sensitive diazonium salt overlayer Shoichi Uchino, Takumi Ueno, Saburo Nonogaki, Michiaki Hashimoto 1991-01-15
4983500 Radiation imaging process for formation of contrast enhanced pattern using two photosensitive dialonium salt layers with removal of overlayer and developed resist pattern in underlayer Shouichi Uchino, Michiaki Hashimoto 1991-01-08
4835089 Resist pattern forming process with dry etching Norio Hasegawa, Toshihiko Tanaka, Hiroshi Shiraishi, Takumi Ueno, Michiaki Hashimoto +2 more 1989-05-30
4728594 Photosensitive composition with azide or bisazide compound with oxazolone group Saburo Nonogaki, Ryotaro Irie, Michiaki Hashimoto 1988-03-01
4719161 Mask for X-ray lithography and process for producing the same Takeshi Kimura, Kozo Mochiji, Hiroshi Okamoto, Tetsuichi Kudo, Shinji Kuniyoshi 1988-01-12
4614706 Method of forming a microscopic pattern with far UV pattern exposure, alkaline solution development, and dry etching Toshiharu Matsuzawa, Kikuo Douta, Hiroshi Yanazawa, Takahiro Kohashi, Saburo Nonogaki 1986-09-30
4536421 Method of forming a microscopic pattern Toshiharu Matsuzawa, Kikuo Douta, Hiroshi Yanazawa 1985-08-20
4469778 Pattern formation method utilizing deep UV radiation and bisazide composition Takahiro Kohashi, Saburo Nonogaki, Yoshio Hatano 1984-09-04
4465768 Pattern-formation method with iodine containing azide and oxygen plasma etching of substrate Takumi Ueno, Hiroshi Shiraishi, Takahiro Kohashi, Saburo Nonogaki 1984-08-14
4436583 Selective etching method of polyimide type resin film Atsushi Saiki, Saburo Nonogaki, Takashi Nishida, Seiki Harada 1984-03-13