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Yoji Ishibashi — 23 Patents

Hitachi: 23 patents #1,433 of 28,497Top 6%
Hitachi, JP: #190 of 2,929 inventorsTop 7%
Overall (All Time): #178,160 of 4,157,543Top 5%
23 Patents All Time
Yoji Ishibashi has been granted 23 US patents while listed as an inventor at Hitachi. The first was granted in 1981 and the most recent in August 1994. Yoji Ishibashi ranks #178,160 of 4,157,543 US inventors in our database (top 4.3%). Patent records list Yoji Ishibashi in Hitachi, JP.

Patents per Year

Patents granted per year, 1981 to 1994Bar chart with a peak of 4 patents in 1987.peak 41981: 1 patents19811982: 1 patents19821986: 3 patents19861987: 4 patents19871988: 1 patents19881990: 1 patents19901991: 4 patents19911992: 3 patents19921993: 3 patents19931994: 2 patents1994

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5339635 Gas turbine combustor of the completely premixed combustion type Yasuo Iwai, Shigeru Azuhata, Kenichi Sohma, Kiyoshi Narato, Hironobu Kobayashi +4 more 1994-08-23 $158,000
5323614 Combustor for gas turbine Satoshi Tsukahara, Hiroshi Inoue, Noriyuki Hayashi, Kazumi Iwai, Tamio Innami +7 more 1994-06-28 $72,000
5239831 Burner having one or more eddy generating devices Michio Kuroda, Nobuyuki Iizuka, Haruo Urushidani, Kazuhiko Kumata, Isao Sato +5 more 1993-08-31 $64,000
5216885 Combustor for burning a premixed gas Masayuki Taniguchi, Yasuo Yoshii, Tadayoshi Murakami, Shigeru Azuhata, Norio Arashi +3 more 1993-06-08 $66,000
5201181 Combustor and method of operating same Takashi Ohmori, Hiroshi Inoue, Fumio Kato, Takashi Hashimoto, Shigeyuki Akatsu +2 more 1993-04-13 $55,000
5127229 Gas turbine combustor Hiroshi Inoue, Takashi Ohmori, Takashi Hashimoto, Fumio Kato, Shigeyuki Akatsu +3 more 1992-07-07 $28,000
5121597 Gas turbine combustor and methodd of operating the same Haruo Urushidani, Seiichi Kirikami, Isao Sato, Nobuo Shimizu, Osamu Arai +5 more 1992-06-16 $32,000
5081843 Combustor for a gas turbine Takashi Ohmori, Fumio Kato, Michio Kuroda, Nobuyuki Iizuka 1992-01-21 $68,000
5069029 Gas turbine combustor and combustion method therefor Michio Kuroda, Seiichi Kirikami, Katsukuni Hisano, Nobuyuki Iizuka, Haruo Urushidani +2 more 1991-12-03 $66,000
5054280 Gas turbine combustor and method of running the same Hiroshi Inoue, Takashi Ohmori, Takashi Hashimoto, Fumio Kato, Shigeyuki Akatsu +3 more 1991-10-08 $63,000
5038558 Gas turbine combustor and a method of combustion thereby Kenichi Sohma, Shigeru Azuhata, Yasuo Iwai, Tooru Inada, Hironobu Kobayashi +5 more 1991-08-13 $82,000
5022849 Low NOx burning method and low NOx burner apparatus Yasuo Yoshii, Shigeru Azuhata, Norio Arashi, Kenichi Sohma, Tooru Inada +7 more 1991-06-11 $50,000
4898001 Gas turbine combustor Michio Kuroda, Isao Sato, Yoshihiro Uchiyama, Takashi Ohmori, Shigeyuki Akatsu +3 more 1990-02-06 $59,000
4766721 Combustor for gas turbine Nobuyuki Iizuka, Isao Sato, Fumiyuki Hirose, Hiroshi Inose, Katsukuni Hisano +4 more 1988-08-30 $124,000
4704869 Gas turbine combustor Nobuyuki Iizuka, Fumiyuki Hirose, Isao Sato 1987-11-10 $222,000
4683715 Method of starting gas turbine plant Nobuyuki Iizuka, Katsukuni Hisano, Ryoichiro Oshima, Katsuo Wada, Fumiyuki Hirose +4 more 1987-08-04 $281,000
4677822 Gas turbine combustor Nobuyuki Iizuka, Katsukuni Hisano, Katsuo Wada, Masashi Kunihiro, Fumiyuki Hirose +4 more 1987-07-07 $204,000
4671069 Combustor for gas turbine Isao Sato, Zensuke Tamura, Takashi Ohmori, Yoshimitsu Minakawa, Hidekazu Fujimura +1 more 1987-06-09 $66,000
4603548 Method of supplying fuel into gas turbine combustor Isao Sato, Fumio Kato, Takashi Ohmori, Noriyuki Hayashi 1986-08-05 $61,000
4598553 Combustor for gas turbine Isao Saito, Takashi Ohmori, Yoshimitsu Minakawa, Michio Kuroda 1986-07-08 $71,000
4587809 Premixing swirling burner Takashi Ohmori, Isao Sato, Yoshimitsu Minakawa, Michio Kuroda, Zensuke Tamura 1986-05-13 $72,000
4344280 Combustor of gas turbine Yoshimitsu Minakawa, Isao Sato, Yoshihiro Uchiyama, Kazuyoshi Takahashi 1982-08-17 $64,000
4297319 Apparatus for removing nitrogen oxides from flue gas Yoshihiro Uchiyama, Hidetoshi Akimoto, Makoto Sasaki 1981-10-27 $182,000