KO

Kazufumi Ogawa

Sumitomo Electric Industries: 211 patents #1 of 21,551Top 1%
ED Empire Technology Development: 23 patents #19 of 547Top 4%
SC Shin-Etsu Chemical Co.: 5 patents #647 of 2,176Top 30%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
WI Wako Pure Chemical Industries: 2 patents #86 of 377Top 25%
MC Matushita Electric Industrial Co.: 1 patents #3 of 106Top 3%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
JI Japan Atomic Energy Research Institute: 1 patents #188 of 609Top 35%
📍 Awa, JP: #1 of 5 inventorsTop 20%
Overall (All Time): #2,197 of 4,157,543Top 1%
241
Patents All Time

Issued Patents All Time

Showing 201–225 of 241 patents

Patent #TitleCo-InventorsDate
4992316 Recording medium and method of producing the same 1991-02-12
4968524 Process for producing a polyacetylene Hideharu Tamura, Norihisa Mino 1990-11-06
4960722 Sensor using a field effect transistor and method of fabricating the same 1990-10-02
4945028 Method for formation of patterns using high energy beam 1990-07-31
4910123 Pattern forming method Masayuki Endo, Masaru Sasago 1990-03-20
4908299 Pattern forming method 1990-03-13
4902585 Recording medium and method of producing the same Hideharu Tamura 1990-02-20
4896049 Color image sensor obtained from visual photosensitive materials derived from biological substances 1990-01-23
4881109 Sensor using a field effect transistor and method of fabricating the same 1989-11-14
4875759 Optical fiber and method of producing the same 1989-10-24
4849323 Pattern forming method using contrast enhanced material Masayuki Endo, Masaru Sasago 1989-07-18
4840872 Pattern forming method by use of X-ray exposure Masayuki Endo, Masaru Sasago 1989-06-20
4841341 Integrator for an exposure apparatus or the like Masaru Sasago, Masayuki Endo, Ken Ishihara 1989-06-20
4824766 Pattern forming method 1989-04-25
4812880 Exposure apparatus Masaru Sasago, Masayuki Endo, Takeshi Ishihara 1989-03-14
4805002 Exposure apparatus Masaru Sasago, Masayuki Endo, Takeshi Ishihara 1989-02-14
4805000 Exposure apparatus Masaru Sasago, Masayuki Endo, Takeshi Ishihara 1989-02-14
4782368 Method for correction for chromatic aberration and exposure apparatus using the same Masaru Sasago, Masayuki Endo, Takeshi Ishihara 1988-11-01
4761316 Recording medium and method of producing the same 1988-08-02
4751171 Pattern forming method 1988-06-14
4751100 Magnetic recording medium and method for making the same 1988-06-14
4724466 Exposure apparatus Masaru Sasago, Masayuki Endo, Takeshi Ishihara 1988-02-09
4716441 Light exposure apparatus 1987-12-29
4715929 Pattern forming method 1987-12-29
4707433 Water-soluble photosensitive material with dichromate and low molecular weight gelatin 1987-11-17