TA

Takayoshi Arai

Canon: 21 patents #3,043 of 19,416Top 20%
NC Nagase & Co.: 2 patents #21 of 127Top 20%
📍 Nagahama, JP: #12 of 132 inventorsTop 10%
Overall (All Time): #186,829 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
6090969 Process for the preparation of an asymmetric compound using a metal complex Masakatsu Shibasaki, Hiroaki Sasai 2000-07-18
5847186 Process for preparing asymmetric compound by using metal complex Masakatsu Shibasaki, Hiroaki Sasai 1998-12-08
5061511 Method for forming functional deposited films by means of microwave plasma chemical vapor deposition method Keishi Saitoh, Junichiro Hashizume, Shigehira Iida, Tetsuya Takei 1991-10-29
5038713 Microwave plasma treating apparatus Soichiro Kawakami, Masahiro Kanai, Tsutomu Murakami 1991-08-13
5019887 Non-single crystalline photosensor with hydrogen and halogen Mitsuyuki Niwa, Isamu Shimizu, Eiji Takeuchi, Tsutomu Murakami, Shunichi Ishihara 1991-05-28
5002793 Process for forming film in a three-chambered apparatus having two chamber faces coated with films of at least 10.sup.6 .OMEGA. cm resistance 1991-03-26
4971832 HR-CVD process for the formation of a functional deposited film on a substrate with application of a voltage in the range of -5 to -100 V Masahiro Kanai 1990-11-20
4957772 Method for forming functional deposited films by means of microwave plasma chemical vapor deposition method Keishi Saitoh, Junichiro Hashizume, Shigehira Iida, Tetsuya Takei 1990-09-18
4953498 Microwave plasma CVD apparatus having substrate shielding member Junichiro Hashizume, Tetsuya Takei, Shigehira Iida, Keishi Saitoh 1990-09-04
4940642 Electrophotographic light receiving member having polycrystalline silicon charge injection inhibition layer prepared by chemical reaction of excited precursors and A-SI:C:H surface layer Shigeru Shirai, Keishi Saito, Minoru Kato, Yasushi Fujioka 1990-07-10
4930442 Microwave plasma CVD apparatus having an improved microwave transmissive window Shigehira Iida, Junichiro Hashizume, Tetsuya Takei, Keishi Saitoh 1990-06-05
4908330 Process for the formation of a functional deposited film containing group IV atoms or silicon atoms and group IV atoms by microwave plasma chemical vapor deposition process Masahiro Kanai, Soichiro Kawakami, Tsutomu Murakami 1990-03-13
4908329 Process for the formation of a functional deposited film containing groups II and VI atoms by microwave plasma chemical vapor deposition process Masahiro Kanai, Tsutomu Murakami, Soichiro Kawakami 1990-03-13
4897284 Process for forming a deposited film on each of a plurality of substrates by way of microwave plasma chemical vapor deposition method Shigehira Iida, Junichiro Hashizume, Tetsuya Takei, Keishi Saitoh 1990-01-30
4897281 Process for the formation of a functional deposited film by way of microwave plasma CVD method Shigehira Iida, Keishi Saitoh, Junichiro Hashizume, Tetsuya Takei 1990-01-30
4824749 Light receiving member for use in electrophotography and process for the production thereof Shigeru Shirai, Keishi Saito, Minoru Kato, Yasushi Fujioka 1989-04-25
4818655 Electrophotographic light receiving member with surface layer of a-(Si.sub.x C.sub.1-x).sub.y :H.sub.1-y wherein x is 0.1-0.99999 and y is 0.3-0.59 Shigeru Shirai, Keishi Saito, Minoru Kato, Yasushi Fujioka 1989-04-04
4804604 Light receiving member for use in electrophotography Shigeru Shirai, Keishi Saito, Minoru Kato, Yasushi Fujioka 1989-02-14
4792509 Light receiving member for use in electrophotography Shigeru Shirai, Keishi Saitoh, Minoru Kato, Yasushi Fujioka 1988-12-20
4788120 Light receiving member for use in electrophotography having an amorphous silicon layer Shigeru Shirai, Keishi Saito, Minoru Kato, Yasushi Fujioka 1988-11-29
4786574 Layered amorphous silicon containing photoconductive element having surface layer with specified optical band gap Shigeru Shirai, Keishi Saitoh, Minoru Kato, Yasushi Fujioka 1988-11-22
4780387 Light receiving member for use in electrophotography comprising amorphous silicon layer and polycrystalline layer Shigeru Shirai, Keishi Saitoh, Minoru Kato, Yasushi Fujioka 1988-10-25
4738913 Light receiving member for use in electrophotography comprising surface layer of a-Si:C:H Shigeru Shirai, Keishi Saito, Minoru Kato, Yasushi Fujioka 1988-04-19