TI

Tokio Isogai

HI Hitachi: 20 patents #1,757 of 28,497Top 7%
HC Hitachi Chemical Company: 5 patents #314 of 1,946Top 20%
Overall (All Time): #212,369 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
4643913 Process for producing solar cells Masaaki Okunaka, Mitsuo Nakatani, Haruhiko Matsuyama, Hitoshi Yokono, Tadashi Saitoh +3 more 1987-02-17
4638443 Gas detecting apparatus Masayoshi Kaneyasu, Hideo Arima, Mitsuko Ito, Shoichi Iwanaga, Nobuo Sato +2 more 1987-01-20
4586143 Gas detecting apparatus Masayoshi Kaneyasu, Takanobu Noro, Hideo Arima, Mitsuko Ito, Shoichi Iwanaga +2 more 1986-04-29
4565767 Light-sensitive polymer composition with poly(amic acid), bisazide, and tertiary amine compound Fumio Kataoka, Fusaji Shoji, Isao Obara, Issei Takemoto, Hitoshi Yokono +1 more 1986-01-21
4513132 Heat-resistant silicone block polymer Fusaji Shoji, Issei Takemoto, Fumio Kataoka, Hitoshi Yokono 1985-04-23
4486232 Electrode material for semi-conductor devices Mitsuo Nakatani, Haruhiko Matsuyama, Masaaki Okunaka, Hitoshi Yokono, Tadashi Saitoh +1 more 1984-12-04
4457161 Gas detection device and method for detecting gas Shoichi Iwanaga, Nobuo Sato, Akira Ikegami, Takanobu Noro, Hideo Arima 1984-07-03
4451551 Radiation-sensitive poly(amic acid) polymer composition Fumio Kataoka, Fusaji Shoji, Isao Obara, Hitoshi Yokono, Mitumasa Kojima 1984-05-29
4419506 Radiation sensitive polymer materials Kazuo Nate, Toshio Kobayashi 1983-12-06
4386387 Low temperature sintering porcelain composition Hirayoshi Tanei, Akira Ikegami, Hideo Arima, Kiyoshi Kawabata 1983-05-31
4369208 Process for producing transparent electroconductive film Masaaki Okunaka, Ryoichi Sudo, Hitoshi Yokono, Mitsuo Yamazaki 1983-01-18
4347304 Process for forming metallic image Hideki Sakurai, Mitsuo Nakatani, Hitoshi Oka, Hitoshi Yokono 1982-08-31
4347166 Thermistor composition Hiromi Tosaki, Hideo Arima, Teruo Mozume, Akira Ikegami, Ichiro Tsubokawa 1982-08-31
4324629 Process for regenerating chemical copper plating solution Hitoshi Oka, Hiroshi Kikuchi, Hitoshi Yokono, Haruo Suzuki, Toyofusa Yoshimura +3 more 1982-04-13
4321319 Photosensitive compositions containing polyamides acid with photosensitive groups Fusaji Shoji, Issei Takemoto, Hitoshi Yokono 1982-03-23
4310563 Method for automatically controlling composition of chemical copper plating solution Hitoshi Oka, Kenji Nakamura, Hitoshi Yokono, Akira Matsuo, Osamu Miyazawa +1 more 1982-01-12
4308571 Low temperature-sinterable dielectric composition and thick film capacitor using the same Hirayoshi Tanei, Akira Ikegami, Noriyuki Taguchi, Katsuo Abe, Hiroshi Ohtsu 1981-12-29
4303443 Electroless copper plating solution Osamu Miyazawa, Hitoshi Oka, Isamu Tanaka, Akira Matsuo, Hitoshi Yokono +1 more 1981-12-01
4303554 Composition and process for producing transparent conductive film Ryoichi Sudo, Masaaki Okunaka, Hitoshi Yokono, Mitsuo Yamazaki 1981-12-01
4220547 Dielectric paste for thick film capacitor Katsuo Abe, Noriyuki Taguchi, Nobuyuki Sugishita 1980-09-02
4208005 Method for mounting parts on circuit boards Kazuo Nate, Kyoko Kotsuka 1980-06-17