HK

Hiroshi Koyama

Nsk: 16 patents #65 of 1,559Top 5%
Mitsubishi Electric: 16 patents #1,485 of 25,717Top 6%
YU Yupo: 11 patents #5 of 72Top 7%
DI Daicel Chemical Industries: 11 patents #44 of 893Top 5%
TO Toyota: 9 patents #3,216 of 26,838Top 15%
Canon: 8 patents #7,260 of 19,416Top 40%
HI Hitachi: 8 patents #5,191 of 28,497Top 20%
Honda Motor Co.: 7 patents #3,151 of 21,052Top 15%
SC Sanyo Electric Co.: 5 patents #1,180 of 6,347Top 20%
NC Nhk Spring Co.: 5 patents #150 of 1,116Top 15%
MO Morpho: 4 patents #26 of 161Top 20%
HC Hitachi Ulsi Systems Co.: 4 patents #214 of 867Top 25%
TC Toppan Printing Co.: 4 patents #201 of 1,467Top 15%
SO Sony: 4 patents #8,966 of 25,231Top 40%
DA Daicel: 4 patents #85 of 523Top 20%
AC Akita Electronics Co.: 3 patents #12 of 68Top 20%
PE Pentax: 3 patents #351 of 761Top 50%
DE Denso: 3 patents #3,857 of 11,792Top 35%
OC Oji Yuka Goseishi Co.: 3 patents #8 of 35Top 25%
HS Hitachi Microcomputer System: 3 patents #41 of 257Top 20%
RT Renesas Technology: 2 patents #1,374 of 3,337Top 45%
TB Toyoda Boshoku: 2 patents #14 of 112Top 15%
KC Kyodo Printing Co.: 2 patents #26 of 93Top 30%
TC Toyo Seikan Co.: 2 patents #321 of 888Top 40%
HP HP: 1 patents #3,612 of 7,018Top 55%
AC Akita Electronics Systems Co.: 1 patents #3 of 36Top 9%
DC Dena Co.: 1 patents #81 of 210Top 40%
DC Diesel Kiki Co.: 1 patents #181 of 366Top 50%
TS Tokyo Kikai Seisakusho: 1 patents #91 of 195Top 50%
KW Kanto Auto Works: 1 patents #12 of 39Top 35%
LC Laurel Bank Machines Co.: 1 patents #90 of 139Top 65%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
NC Nissan Diesel Motor Co.: 1 patents #52 of 125Top 45%
NC Nisshin Steel Co.: 1 patents #240 of 514Top 50%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
TC Tokyo Ohka Kogyo Co.: 1 patents #437 of 684Top 65%
TC Tokyo Sanyo Electric Co.: 1 patents #24 of 89Top 30%
TC Toyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
ZG Zexel Gmbh: 1 patents #175 of 348Top 55%
📍 Tokyo, CO: #2 of 23 inventorsTop 9%
Overall (All Time): #7,677 of 4,157,543Top 1%
135
Patents All Time

Issued Patents All Time

Showing 101–125 of 135 patents

Patent #TitleCo-InventorsDate
5396297 Character display device for displaying characters on a television screen Hiroyasu Shindou, Masaya Ohta, Kazumasa Chigira, Shusaku Terawaki 1995-03-07
5391821 Process for producing carboxylic acids Hidetaka Kojima 1995-02-21
5258082 High strength spring Yasuo Sato, Katsuyuki Nishioka, Akira Tange, Tadayoshi Akutsu 1993-11-02
5225008 Method for manufacturing a high-strength spring Yasuo Sato, Katsuyuki Nishioka, Akira Tange, Tadayoshi Akutsu 1993-07-06
5214203 Process for producing carboxylic acids Hidetaka Kojima 1993-05-25
5193385 Cantilever for use in atomic force microscope and manufacturing method therefor Tadashi Nishioka, Takao Yasue 1993-03-16
5180893 Method of heating thermoplastic bottle or preform and method of controlling temperature of heating member utilized by the heating method Ikuo Sugiyama, Kazuhisa Ishibashi, Nobuyuki Takakusaki, Yoshitsugu Maruhashi, Yasushi Nishimura +2 more 1993-01-19
5107114 Fine scanning mechanism for atomic force microscope Tadashi Nishioka, Takao Yasue 1992-04-21
5101196 Display device for microcomputer 1992-03-31
5089650 Process for producing carbonic acid ester Shigeru Yokota, Hidetaka Kojima 1992-02-18
5070447 Interrupt circuit and interrupt processing method for microcomputer 1991-12-03
5045782 Negative feedback high current driver for in-circuit tester 1991-09-03
5043290 Process for forming electrodes for semiconductor devices by focused ion beam technology Tadashi Nishioka, Yoji Mashiko, Hiroaki Morimoto 1991-08-27
5032700 Method of heating thermoplastic bottle of preform and method of controlling temperature of heating member utilized by the heating method Ikuo Sugiyama, Kazuhisa Ishibashi, Nobuyuki Takakusaki, Yoshitsugu Maruhashi, Yasushi Nishimura +2 more 1991-07-16
4984455 System for detecting speed of engine for vehicle Masami Kondo, Hiroshi Kawahara 1991-01-15
4962059 Process for forming electrodes for semiconductor devices using focused ion beam deposition Tadashi Nishioka, Yoji Mashiko, Hiroaki Morimoto 1990-10-09
4948749 Process for forming electrodes for semiconductor devices Tadashi Nishioka, Yoji Mashiko, Hiroaki Morimoto 1990-08-14
4947042 Tunnel unit and scanning head for scanning tunneling microscope Tadashi Nishioka, Takao Yasue 1990-08-07
4945235 Fine adjustment mechanism for a scanning tunneling microscope Tadashi Nishioka, Takao Yasue 1990-07-31
4880975 Fine adjustment mechanism for a scanning tunneling microscope Tadashi Nishioka, Takao Yasue 1989-11-14
4853341 Process for forming electrodes for semiconductor devices using focused ion beams Tadashi Nishioka, Yoji Mashiko, Hiroaki Morimoto 1989-08-01
4843238 Method for identifying a blistered film in layered films Tadashi Nishioka, Hiroaki Morimoto, Yoji Mashiko 1989-06-27
4837445 Coarse adjusting device of scanning tunneling microscope Tadashi Nishioka, Takao Yasue 1989-06-06
4723062 Aluminum circuit to be disconnected and method of cutting the same Tadashi Nishioka, Yoji Mashiko 1988-02-02
4691078 Aluminum circuit to be disconnected and method of cutting the same Tadashi Nishioka, Yoji Mashiko 1987-09-01