HI

Hiroyuki Ikeda

Fujitsu Limited: 26 patents #960 of 24,456Top 4%
OC Optex Co.: 20 patents #2 of 111Top 2%
SO Sony: 9 patents #4,874 of 25,231Top 20%
Nsk: 9 patents #164 of 1,559Top 15%
KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
MI Mitsuba: 6 patents #49 of 618Top 8%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
HO Horiba: 4 patents #114 of 604Top 20%
RK Riso Kagaku: 4 patents #130 of 551Top 25%
GI Gigaphoton: 3 patents #84 of 212Top 40%
MC Mitsubishi Chemical: 2 patents #928 of 3,022Top 35%
MM Mitsubishi Materials: 2 patents #498 of 1,543Top 35%
UI Ube Industries: 2 patents #593 of 1,686Top 40%
LC Laurel Bank Machines Co.: 2 patents #55 of 139Top 40%
IBM: 2 patents #32,839 of 70,183Top 50%
NT Nuflare Technology: 2 patents #144 of 298Top 50%
SI Sumitomo Heavy Industries: 1 patents #424 of 917Top 50%
VE Verbatim: 1 patents #37 of 80Top 50%
MC Mitsubishi Mining & Cement Co.: 1 patents #46 of 110Top 45%
DC Dowa Mining Co.: 1 patents #157 of 324Top 50%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
JW Japan Display West: 1 patents #90 of 194Top 50%
JS Japanese Red Cross Society: 1 patents #3 of 33Top 10%
JO Joled: 1 patents #250 of 392Top 65%
KC Kitagawa Industries Co.: 1 patents #58 of 112Top 55%
KC Kojima Press Industry Co.: 1 patents #38 of 143Top 30%
CC Chuo Denki Kogyo Co.: 1 patents #5 of 18Top 30%
NM Nippon Mektron: 1 patents #123 of 286Top 45%
NG Nks Group: 1 patents #1 of 11Top 10%
NC Noritsu Koki Co.: 1 patents #139 of 289Top 50%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
SI Sanyo Chemical Industries: 1 patents #242 of 607Top 40%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #7,623 of 4,157,543Top 1%
136
Patents All Time

Issued Patents All Time

Showing 101–125 of 136 patents

Patent #TitleCo-InventorsDate
5477348 Achromatic hologram optical system Fumio Yamagishi, Satoshi Maeda, Masayuki Kato, Hirokazu Aritake 1995-12-19
5460915 Charge controller, toner binder composition and electrophotographic toner Hideo Nakanishi, Tohru Ohama, Naoki Takase, Akira Kodani 1995-10-24
5442509 Protection structure for surge absorbing element Takaaki Ito, Naoyuki Tomita, Takashi Shibayama, Tomio Iwata, Takashi Kurihara 1995-08-15
5324921 Sheet counting machine Yuji Takarada, Takao Akioka, Akio Funato, Shigeru Yonetani 1994-06-28
5291172 Noise absorber Fuminori Ito 1994-03-01
5266788 Laser scanner for bar code reader having a transparent light guide plate Kozo Yamazaki, Fumio Yamagishi, Hirokazu Aritake, Masanori Ohkawa 1993-11-30
5245170 Optical scanner using planar reflection holograms Hirokazu Aritake, Toshiyuki Ichikawa, Kozo Yamazaki, Fumio Yamagishi 1993-09-14
5231277 Optical scanner using plannar reflecting holograms Hirokazu Aritake, Toshiyuki Ichikawa, Kozo Yamazaki, Fumio Yamagishi 1993-07-27
5224082 Method for detecting tracking error in optical disk system and its optical system devices thereof Kaneyuki Kurokawa, Masayuki Kato, Satoshi Maeda, Fumio Yamagishi 1993-06-29
5221631 Method of fabricating a thin film transistor having a silicon carbide buffer layer Osamu Shimada, Teruo Uchida, Takahiro Murakami 1993-06-22
5219999 Immunoglobulin G and process for the production thereof Tohru Suzuki, Kazuyo Ikeda, Tsugikazu Tomono, Sadayoshi Sekiguchi, Takeji Ohtani +1 more 1993-06-15
5151482 Process for the production of methacrylic resin sheets Michitoshi Shinka, Suehiro Tayama, Tetuya Sawano, Masahiro Saruta 1992-09-29
5109428 Minutia data extraction in fingerprint identification Seigo Igaki, Takashi Shinzaki, Fumio Yamagishi, Hironori Yahagi 1992-04-28
5101242 Thin film transistor Osamu Shimada, Teruo Uchida, Takahiro Murakami 1992-03-31
5077803 Biological detecting system and fingerprint collating system employing same Masayuki Kato, Takashi Shinzaki, Seigo Igaki, Fumio Yamagishi 1991-12-31
4979071 Protection circuit for a semiconductor circuit Takaaki Ito, Akio Uchida 1990-12-18
4968108 Method for constructing and reconstructing hologram Fumio Yamagishi, Masayuki Kato, Shunji Kitagawa, Takefumi Inagaki 1990-11-06
4957336 Laser beam scanner and its fabricating method Shin Hasegawa, Masayuki Kato, Fumio Yamagishi, Takefumi Inagaki 1990-09-18
4948213 Beam scanner Shin Hasegawa, Fumio Yamagishi, Shigetake Iwata 1990-08-14
4943754 Color picture tube with flat appearing face plate Ryoji Hirai, Mitsuru Yoshizawa 1990-07-24
4938550 Holographic deflection device Takefumi Inagaki, Fumio Yamagishi, Shin Hasegawa 1990-07-03
4925262 Method and apparatus for light beam scanning using a hologram Fumio Yamagishi, Shinya Hasegawa 1990-05-15
4924085 Uneven-surface data detection apparatus Masayuji Kato, Seigo Igaki, Fumio Yamagishi, Takashi Shinzaki, Shin Eguchi 1990-05-08
4904033 Method for constructing holograms Fumio Yamagishi, Shinya Hasegawa, Syunji Kitagawa, Kozo Yamazaki, Takefumi Inagaki 1990-02-27
4848862 Laser beam scanner Kozo Yamazaki, Toshiyuki Ichikawa, Takefumi Inagaki, Hirokazu Aritake, Fumio Yamagishi 1989-07-18