KH

Kenji Hasegawa

PA Panasonic: 39 patents #326 of 21,108Top 2%
Canon: 20 patents #3,238 of 19,416Top 20%
YK Ykk: 20 patents #23 of 845Top 3%
Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
NK Nippon Gohsei Kagaku Kogyo: 5 patents #11 of 142Top 8%
YE Yokogawa Electric: 4 patents #184 of 1,441Top 15%
SU Sunstar: 4 patents #4 of 211Top 2%
Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
TS Tokyo Metropolitan Sewerage Service: 3 patents #2 of 34Top 6%
KA Kansei: 3 patents #6 of 117Top 6%
NE Nec: 3 patents #4,195 of 14,502Top 30%
JS Jsr: 3 patents #346 of 1,137Top 35%
NC Nippon Koei Co.: 3 patents #2 of 26Top 8%
SK Scovill Japan Kabushiki Kaisha: 3 patents #3 of 9Top 35%
L( Lederle (Japan): 2 patents #16 of 49Top 35%
YK Yoshida Kogyo K.K.: 2 patents #177 of 468Top 40%
NC Nippon Synthetic Chemical Industry Co.: 2 patents #21 of 124Top 20%
TS Toshiba Electronic Devices & Storage: 2 patents #310 of 900Top 35%
SO Sony: 1 patents #17,262 of 25,231Top 70%
DC Daifuku Co.: 1 patents #230 of 509Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KC Kyowa Medex Co.: 1 patents #50 of 92Top 55%
NC Nihon New Chrome Co.: 1 patents #6 of 12Top 50%
SD Showa Denko: 1 patents #231 of 593Top 40%
Caterpillar: 1 patents #4,437 of 8,398Top 55%
Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
📍 Osaka, IN: #2 of 6 inventorsTop 35%
Overall (All Time): #7,406 of 4,157,543Top 1%
137
Patents All Time

Issued Patents All Time

Showing 101–125 of 137 patents

Patent #TitleCo-InventorsDate
5914372 Ethylene copolymer rubber composition Akihiko Morikawa, Nobuyuki Sakabe, Fumio Tsutsumi 1999-06-22
5798467 Pluck resistance measuring instrument for snap members Katsushi Kitano 1998-08-25
5580468 Method of fabricating head for recording apparatus Takashi Fujikawa, Asao Saito, Makoto Shibata, Junichi Kohayashi, Hirokazu Komuro +2 more 1996-12-03
5516594 Ni-Sn Plated fasteners for clothing 1996-05-14
5500777 Magnetic head drive which uses independently controlled piezo-electric elements Hiroshi Yohda 1996-03-19
5479197 Head for recording apparatus Takashi Fujikawa, Asao Saito, Makoto Shibata, Junichi Kobayashi, Hirokazu Komuro +2 more 1995-12-26
5477252 Substrate for ink jet head, ink jet head provided with said substrate and ink jet apparatus having such ink jet head Isao Kimura, Atsushi Shiozaki, Koichi Touma 1995-12-19
5460138 Engine barring system 1995-10-24
5436949 Charge transfer apparatus Junya Suzuki 1995-07-25
5234774 Non-single crystalline materials containing Ir, Ta and Al Atsushi Shiozaki, Isao Kimura, Kouichi Touma 1993-08-10
5223404 Composition for testing periodontal diseases Hirohisa Suido, Akira Miike, Norihiko Kayahara, Toru Eguchi, Toshio Tatano +1 more 1993-06-29
5148191 Ink jet head having heat generating resistor made of non-single crystalline substance containing Ir, Ta and Al and ink jet apparatus having such ink jet head Atsushi Shiozaki, Isao Kimura, Kouichi Touma 1992-09-15
5142308 Ink jet head having heat generating resistor made of non-single crystalline substance containing Ir and Ta Atsushi Shiozaki, Isao Kimura, Kouichi Touma 1992-08-25
5140339 Ink jet recording with equal amounts of mono- and mixed color droplets Masahiko Higuma, Takahiro Mori 1992-08-18
5066963 Ink jet head having heat-generating resistor comprised of a complex compound Isao Kimura 1991-11-19
5053257 Process for forming film of hydrolyzed ethylene-vinyl acetate copolymer Teruo Iwanami, Shinji Miyake 1991-10-01
5034253 Pipe for circulating warm water Shingi Miyake 1991-07-23
5027131 Recording medium including an ink-retaining layer and an ink-transporting layer of specific sized particles and process employing same Takahiro Mori, Masahiko Higuma 1991-06-25
4983385 Ointment base Nakashima Nakashima, Toru Eguchi, Ota Masako 1991-01-08
4954395 Recording medium Takahiro Mori, Masahiko Higuma 1990-09-04
4938798 Sputtering target and process for preparing the same Yoshitaka Chiba, Noriyoshi Hirao, Toru Sugihara 1990-07-03
4890364 Split ring springs for snap fasteners and method of manufacturing the same Akira Tanaka 1990-01-02
4887097 Recording medium and ink-jet recording process employing the same Takashi Akiya 1989-12-12
4849926 Data processing circuit for calculating either a total sum or a total product of a series of data at a high speed 1989-07-18
4832984 Image forming method Masahiko Higuma, Mamoru Sakaki, Ryuichi Arai, Takashi Akiya, Naoya Morohoshi 1989-05-23