CT

Chiaki Tanaka

Ricoh Company: 99 patents #38 of 9,818Top 1%
TI Toray Industries: 14 patents #113 of 3,690Top 4%
HC Hodogaya Chemical Co.: 8 patents #37 of 359Top 15%
Honda Motor Co.: 6 patents #3,726 of 21,052Top 20%
BL Bridgestone Tire Company Limited: 4 patents #49 of 438Top 15%
JC Japan Storage Battery Co.: 2 patents #45 of 170Top 30%
NC Nippon Paint Holdings Co.: 2 patents #265 of 834Top 35%
GL Gunze Limited: 2 patents #54 of 349Top 20%
Microsoft: 1 patents #24,826 of 40,388Top 65%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
NU National University Corporation Shizuoka University: 1 patents #62 of 225Top 30%
NG Nihon Shinku Gijutsu: 1 patents #54 of 128Top 45%
SL Shiseido Company, Limited: 1 patents #543 of 1,112Top 50%
UL Ulvac: 1 patents #339 of 680Top 50%
📍 Shizuoka, WA: #2 of 2 inventorsTop 100%
Overall (All Time): #8,561 of 4,157,543Top 1%
129
Patents All Time

Issued Patents All Time

Showing 101–125 of 129 patents

Patent #TitleCo-InventorsDate
5616805 Methods for preparing pyrenylamine derivatives and intermediates Masaomi Sasaki, Tamotsu Aruga, Tomoyuki Shimada, Hiroshi Adachi 1997-04-01
5599995 Electrophotographic photoconductor comprising pyrenylamine derivative, the pyrenylamine derivative, intermediate for preparation thereof, and method for preparing the pyrenylamine derivative and the intermediate Masaomi Sasaki, Tamotsu Aruga, Tomoyuki Shimada, Hiroshi Adachi 1997-02-04
5587516 Electrophotographic photoconductor comprising pyrenylamine derivative, the pyrenylamine derivative, intermediate for preparation thereof, and method for preparing the pyrenylamine derivative and the intermediate Masaomi Sasaki, Tamotsu Aruga, Tomoyuki Shimada, Hiroshi Adachi 1996-12-24
5576132 Electrophotographic photoconductor comprising pyrenylamine derivative Masaomi Sasaki, Tamotsu Aruga, Tomoyuki Shimada, Hiroshi Adachi 1996-11-19
5547792 Electrophotographic photoconductor, carbonate compound for use in the same, and intermediate compound for producing the carbonate compound Tomoyuki Shimada, Masaomi Sasaki 1996-08-20
5480753 Electrophotographic photoconductor comprising diamine compound Tomoyuki Shimada, Masaomi Sasaki 1996-01-02
5459275 Pyrenylamine derivatives Masaomi Sasaki, Tamotsu Aruga, Tomoyuki Shimida, Hiroshi Adachi 1995-10-17
5457232 Pyrenylamine derivatives having unsaturated bond Masaomi Sasaki, Tamotsu Aruga, Tomoyuki Shimada, Hiroshi Adachi 1995-10-10
5434028 Diamine compounds Tomoyuki Shimada, Masaomi Sasaki 1995-07-18
5420332 Diamine compounds Tomoyuki Shimada, Masaomi Sasaki 1995-05-30
5344985 Aldehyde intermediates for the preparation of pyrenylamine derivatives having unsaturated bond Masaomi Sasaki, Tamotsu Aruga, Tomoyuki Shimada, Hiroshi Adachi 1994-09-06
5010879 Device for correcting spinal deformities Hideshige Moriya, Hiroshi Kitahara, Shohei Minami, Keijiro Isobe, Yoshinori Nakata 1991-04-30
4587309 Process for producing polyetheresteramides Makoto Kondou, Yoshiyuki Yamamoto 1986-05-06
4464456 Photosensitive polymer compositions comprising polyether-ester amides Junichi Fujikawa, Hiroshi Mataki, Shinobu Nakashima 1984-08-07
4438240 Polyamide elastomer Shinobu Nakashima, Makoto Kondow 1984-03-20
4398000 Golf ball Nobuyuki Kataoka, Tasuku Saito, Tsutomu Matsunaga, Yoko Furuta, Nagayoshi Naito 1983-08-09
4376856 Polyether-ester amide and process for preparation thereof Shinobu Nakashima 1983-03-15
4376194 Polyester amide and process for producing the same Shinobu Nakashima, Nagayoshi Naito 1983-03-08
4367316 Vulcanized elastomeric molded article Masanobu Morikawa, Yoshio Kohno 1983-01-04
4337946 Golf ball Tasuku Saito, Tutomu Noma, Tsutomu Matsunaga, Nagayoshi Naito, Motoki Hiratsuka 1982-07-06
4337947 Golf ball Tasuku Saito, Tutomu Noma, Tsutomu Matsunaga, Yoko Furuta, Nagayoshi Naito 1982-07-06
4315882 Elastomeric shaped article and method for preparing the same Motoki Hiratsuka, Nagayoshi Naito 1982-02-16
4295652 Golf ball Tasuku Saito, Tutomu Noma, Tsutomu Matsunaga, Nagayoshi Naito, Motoki Hiratsuka 1981-10-20
4290927 Vulcanizable polyblend Masanobu Morikawa, Yoshio Kohno 1981-09-22
4276479 Apparatus for curing photo-curable composition Hiroaki Mibu, Tadashi Ishihara, Shingo Esaki 1981-06-30