Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TK

Tetsuo Kobayashi

Hitachi: 15 patents #2,636 of 28,497Top 10%
HKHamamatsu Photonics K.K.: 9 patents #234 of 1,436Top 20%
KUKyoto University: 9 patents #34 of 1,688Top 3%
Sony: 7 patents #6,034 of 25,231Top 25%
Canon: 6 patents #8,497 of 19,416Top 45%
KOKomatsu: 4 patents #453 of 2,087Top 25%
RKRikagaku Kenkyusho: 3 patents #17 of 207Top 9%
SUSubaru: 2 patents #413 of 1,436Top 30%
HCHidan Co.: 2 patents #5 of 17Top 30%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
SCShinko-Pfaudler Company: 1 patents #6 of 19Top 35%
SUSubaru: 1 patents #819 of 1,684Top 50%
SCSumitomo Osaka Cement Co.: 1 patents #199 of 327Top 65%
NSNippon Cable System: 1 patents #25 of 90Top 30%
Nec: 1 patents #7,889 of 14,502Top 55%
Kyoto, NJ: #4 of 8 inventorsTop 50%
Overall (All Time): #42,516 of 4,157,543Top 2%
57 Patents All Time

Issued Patents All Time

Showing 26–50 of 57 patents

Patent #TitleCo-InventorsDate
6223058 Communication terminal apparatus and control method thereof Fukuharu Sudo, Takushi Kunihiro, Atsushi Ajiro, Kentaro Odaka, Tatsuji Ushino +1 more 2001-04-24
6198948 Communication terminal apparatus and control method thereof Fukuharu Sudo, Takushi Kunihiro, Atsushi Ajiro, Kentaro Odaka, Tatsuji Ushino +1 more 2001-03-06
6138039 Communication terminal apparatus and control method thereof Fukuharu Sudo, Takushi Kunihiro, Atsushi Ajiro, Kentaro Odaka, Tatsuji Ushino +1 more 2000-10-24
6131048 Communication terminal apparatus and control method thereof Fukuharu Sudo, Takushi Kunihiro, Atsushi Ajiro, Kentaro Odaka, Tatsuji Ushino +1 more 2000-10-10
6070725 Cosmetic container Kenichi Ito, Masahisa Koyama, Yoshinobu Abe 2000-06-06
5999827 Communication terminal apparatus and control method thereof Fukuharu Sudo, Takushi Kunihiro, Atsushi Ajiro, Kentaro Odaka, Tatsuji Ushino +1 more 1999-12-07
5987336 Communication terminal apparatus and control method thereof Fukuharu Sudo, Takushi Kunihiro, Atsushi Ajiro, Kentaro Odaka, Tatsuji Ushino +1 more 1999-11-16
5897969 Method of fabricating a magnetoresistive thin-film magnetic head Akira Taniyama, Makoto Morijiri, Haruko Tanaka, Isamu Yuito, Eiji Ashida +2 more 1999-04-27
5749664 Cosmetic container having an insert sleeve to improve air tightness and rotational characteristics Takashi Inoue, Kenichi Ito, Hirobumi Matayoshi, Masahisa Koyama, Hideo Fujita 1998-05-12
5734698 Call selecting apparatus for preferentially connecting emergency message calls Yuji Chikahiro, Hisashi Komura 1998-03-31
5701221 Magnetoresistive thin-film magnetic head and method of fabrication thereof Akira Taniyama, Makoto Morijiri, Haruko Tanaka, Isamu Yuito, Eiji Ashida +2 more 1997-12-23
5471358 Thin film magnetoresistive head which includes a domain suppressing layer and method for manufacturing the same Shigeru Tadokoro, Shinji Narishige, Hiroaki Koyanagi 1995-11-28
5307214 Magnetic recording apparatus Kanji Kawakami, Yoshiakira Karakama, Masayuki Takagi, Takayoshi Ohtsu, Hisayasu Honma +2 more 1994-04-26
5246839 Secretion plasmid comprising the kilgene Koki Horikoshi, Toshiaki Kudo, Chiaki Kato 1993-09-21
5214840 Thin film magnetic head and the method of fabricating the same Takao Imagawa, Masaaki Sano, Katsuya Mitsuoka, Kouichi Nishioka, Shinji Narishige 1993-06-01
5185255 Cell culture method Isao Endo, Teruyuki Nagamune, Minoru Nishimura 1993-02-09
5079662 Compound magnetic head having a recording head and a reproducing magnetoresitive head integrated therein Kanji Kawakami, Yokuo Saitoh, Takayoshi Ohtsu, Hiroshi Fukui 1992-01-07
5051856 Thin film magnetic head with mixed crystal structures Shinji Narishige, Katsuya Mitsuoka, Takao Imagawa, Kouichi Nishioka, Akira Kumagai +7 more 1991-09-24
5045961 Thin film magnetic head Sadanori Nagaike 1991-09-03
5043283 Fluidized bed cell culture apparatus with a drain valve for the removal of support material Isao Endo, Teruyuki Nagamune 1991-08-27
4949209 Thin-film magnetic head having special input/output terminal backing connection and method of fabricating the same Tadashi Imanaka, Harunobu Saito, Osamu Hirai, Kanji Kawakami 1990-08-14
4939610 Thin film magnetic head having magnetic core including a thin film of cobalt alloy Shinji Narishige, Masaaki Sano, Kouichi Nishioka, Takao Imagawa, Masanobu Hanazono +1 more 1990-07-03
4901203 Hybrid integrated circuit module assembly Teruhisa Ohkawa 1990-02-13
4890169 Magnetic tape recording and/or reproducing apparatus with slow motion effect Masaharu Hayakawa 1989-12-26
4841399 Magnetoresistive magnetic head including zirconium sheet film Masahiro Kitada, Noboru Shimizu, Hideo Tanabe, Hitoshi Nakamura, Tooru Takeura +1 more 1989-06-20