HH

Hiroshi Hasegawa

SE Seiko Epson: 61 patents #122 of 7,774Top 2%
JS Jfe Steel: 40 patents #14 of 1,401Top 1%
SO Sony: 37 patents #808 of 25,231Top 4%
PA Panasonic: 30 patents #516 of 21,108Top 3%
NK Nippon Kogaku K.K.: 23 patents #4 of 382Top 2%
DC Dunlop Sports Co.: 18 patents #15 of 168Top 9%
KT Kabushiki Kaisha Toshiba: 17 patents #1,748 of 21,451Top 9%
SK Showa Denko K.K.: 14 patents #62 of 1,736Top 4%
Sumitomo Electric Industries: 13 patents #1,957 of 21,551Top 10%
SL Sri Sports Limited: 13 patents #34 of 176Top 20%
SI Sumitomo Rubber Industries: 12 patents #153 of 1,637Top 10%
NE Nec: 11 patents #1,181 of 14,502Top 9%
NO Nippon Oil: 11 patents #53 of 773Top 7%
HI Hitachi: 11 patents #3,813 of 28,497Top 15%
Mitsubishi Electric: 10 patents #2,886 of 25,717Top 15%
YA Yazaki: 10 patents #448 of 3,427Top 15%
OC Olympus Optical Co.: 10 patents #326 of 2,334Top 15%
Honda Motor Co.: 9 patents #2,356 of 21,052Top 15%
Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
KA Kaijo: 8 patents #1 of 83Top 2%
TO Toyota: 6 patents #4,786 of 26,838Top 20%
Shimano: 6 patents #227 of 759Top 30%
NU National University Corporation Nagoya University: 5 patents #23 of 782Top 3%
AN Anritsu: 5 patents #62 of 633Top 10%
NO Nippon Mitsubishi Oil: 4 patents #15 of 158Top 10%
MC Mitsubishi Gas Chemical Company: 4 patents #481 of 1,727Top 30%
Tdk: 4 patents #1,273 of 3,796Top 35%
Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
KO Konica Minolta Opto: 4 patents #98 of 418Top 25%
JA Japan Science And Technology Agency: 3 patents #235 of 2,171Top 15%
FL Fujitsu Component Limited: 3 patents #142 of 281Top 55%
FL Fujitsu Takamisawa Component Limited: 3 patents #30 of 113Top 30%
FC Funai Electric Co.: 3 patents #330 of 943Top 35%
MP Merit Abrasive Products: 3 patents #1 of 4Top 25%
TO Topre: 3 patents #3 of 35Top 9%
Yamaha Motor: 3 patents #603 of 2,310Top 30%
NT NTT: 2 patents #2,095 of 4,871Top 45%
HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
KO Konica: 2 patents #962 of 1,958Top 50%
JO Joled: 2 patents #188 of 392Top 50%
DE Denso: 2 patents #4,986 of 11,792Top 45%
TK Terumo Kabushiki Kaisha: 2 patents #599 of 1,558Top 40%
NC Nadex Co.: 2 patents #2 of 8Top 25%
AF Aisin Fukui: 2 patents #4 of 27Top 15%
NI Nikon: 2 patents #1,269 of 2,493Top 55%
KC Katayama Chemical: 1 patents #15 of 42Top 40%
PK Pentel Kabushiki Kaisha: 1 patents #76 of 170Top 45%
SK Sekisui Kaseihin Kogyo: 1 patents #50 of 116Top 45%
SC Sekisui Plastics Co.: 1 patents #60 of 144Top 45%
JC Johnan Seisakusho Co.: 1 patents #4 of 17Top 25%
AU A School Corporation Kansai University: 1 patents #30 of 98Top 35%
IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%
HC Hitachi Consumer Electronics Co.: 1 patents #206 of 447Top 50%
HR Harness System Technologies Research: 1 patents #49 of 103Top 50%
SS Sumitomo Wiring Systems: 1 patents #1,603 of 2,615Top 65%
TC Tokyo Tungsten Co.: 1 patents #16 of 27Top 60%
TC Toyo Seikan Co.: 1 patents #498 of 888Top 60%
TC Toyo Tanso Co.: 1 patents #72 of 192Top 40%
TI Trend Micro Incorporated: 1 patents #304 of 749Top 45%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
AC Advics Co.: 1 patents #370 of 686Top 55%
DI Dai Nippon Insatsu: 1 patents #197 of 371Top 55%
CC Clarion Co.: 1 patents #397 of 721Top 60%
NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
NC Niles Parts Co.: 1 patents #72 of 137Top 55%
NU National University: 1 patents #4 of 70Top 6%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
NC Nishikawa Rubber Co.: 1 patents #121 of 246Top 50%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
NC Nissin Food Products Co.: 1 patents #10 of 41Top 25%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
📍 Tokyo, CA: #4 of 583 inventorsTop 1%
Overall (All Time): #453 of 4,157,543Top 1%
462
Patents All Time

Issued Patents All Time

Showing 401–425 of 462 patents

Patent #TitleCo-InventorsDate
5097329 Process for judging a runway Ryoji Igarashi 1992-03-17
5090764 Vehicle body construction for hardtop convertible Hiroshi Kogawa, Hiroshi Imai, Masayuki Kikuchi, Minoru Shibata, Makoto Nagayama 1992-02-25
5080816 Lubricant for refrigerating machine Tetsuro Sakamoto, Motoshi Sunami 1992-01-14
5077453 Arc-extinguisher of a switch Junichiro Nishitani, Toshimasa Maruyama 1991-12-31
5045365 Process for producing metal foil coated with flame sprayed ceramic Norio Okano, Mitsuhiro Inoue 1991-09-03
5028756 Electrode wire for electric spark cutting Shigeo Ezaki, Hiroyuki Seto 1991-07-02
5027302 Device for switching vehicle operating characteristics Nobuyoshi Asanuma, Shinnosuke Ishida 1991-06-25
5018466 Sewing machine 1991-05-28
4991957 Borescope apparatus Nobuyuki Sakamoto, Yoshio Shishido, Masahiro Kumakura, Morihide Mizumoto, Morihide Tojo +11 more 1991-02-12
4967133 Motor control apparatus 1990-10-30
4961035 Rotational angle control of screw tightening Hidetoshi Inaba, Hiroshi Kato 1990-10-02
4948525 Lubricating oil compositions for refrigerators Umekichi Sasaki 1990-08-14
4949090 Transmit/receive module test system Seizo Tamii, Norio Mutoh, Hiroshi Okamura, Noriyuki Tanii 1990-08-14
4941457 Endoscope using an optical guide twisted on the tip side to have the visual field direction and curvature axis coincide with each other 1990-07-17
4934044 Wiring method and apparatus for electronic circuit boards or the like Toshiyuki Amimoto, Mitsukiyo Tani 1990-06-19
4881810 Endoscope with a removable cover member 1989-11-21
4875618 Wire stacked bonding method Koichi Sugimoto, Takeshi Yano, Tositada Netsu, Mitsukiyo Tani, Tosaku Kojima 1989-10-24
4860732 Endoscope apparatus provided with endoscope insertion aid Hirofumi Miyanaga 1989-08-29
4848817 Hook forceps apparatus for industrial endoscopes 1989-07-18
4807598 Endoscope having fixing and expanding members 1989-02-28
4772874 Keyboard apparatus 1988-09-20
4758394 Method of and apparatus for forming cups of expanded resin Masato Yaita, Toshikazu Omori, Takao Suzuki 1988-07-19
4739650 Gas flow measuring apparatus Takeo Matsuura, Yukio Mori, Toshio Tanahashi, Akira Muramatsu, Ryo Nagasaka +2 more 1988-04-26
4737812 Automatic focusing camera Takashi Saegusa 1988-04-12
4713284 Ceramic coated laminate and process for producing the same Mitsuhiro Inoue 1987-12-15