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USPTO Patent Rankings Data through Dec 31, 2025
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Michio Kuroda — 33 Patents

Hitachi: 33 patents #772 of 28,497Top 3%
Hitachi, JP: #108 of 2,929 inventorsTop 4%
Overall (All Time): #105,480 of 4,157,543Top 3%
33 Patents All Time
Michio Kuroda has been granted 33 US patents while listed as an inventor at Hitachi. The first was granted in 1980 and the most recent in February 2000. Michio Kuroda ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list Michio Kuroda in Hitachi, JP.

Patents per Year

Patents granted per year, 1980 to 2000Bar chart with a peak of 8 patents in 1994.peak 81980: 2 patents19801981: 2 patents1986: 2 patents19861987: 1 patents1988: 1 patents19881989: 2 patents1990: 1 patents19901991: 5 patents1992: 3 patents19921993: 3 patents1994: 8 patents19941996: 2 patents2000: 1 patents2000

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6026644 Stabilizer for gas turbine combustors and gas turbine combustor equipped with the stabilizer Kazuyuki Ito, Tadayoshi Murakami, Kazuhiko Kawaike, Shigeru Azuhata 2000-02-22 $620,000
5575153 Stabilizer for gas turbine combustors and gas turbine combustor equipped with the stabilizer Kazuyuki Ito, Tadayoshi Murakami, Kazuhiko Kawaike, Shigeru Azuhata 1996-11-19 $124,000
5547369 Camera, spectrum analysis system, and combustion evaluation apparatus employing them Kenichi Sohma, Kazuyuki Itoh, Tadayoshi Murakami 1996-08-20 $98,000
5349812 Gas turbine combustor and gas turbine generating apparatus Masayuki Taniguchi, Hironobu Kobayashi, Kiyoshi Narato, Tadayoshi Murakami, Shigeru Azuhata +1 more 1994-09-27 $74,000
5343693 Combustor and method of operating the same Yasutaka Komatsu, Yasuhiko Ootawara, Nobuyuki Iizuka, Isao Sato, Masayuki Taniguchi +1 more 1994-09-06 $98,000
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
5328355 Combustor and combustion apparatus Hironobu Kobayashi, Shigeru Azuhata, Masayuki Taniguchi, Tadayoshi Murakami, Kiyoshi Narato +1 more 1994-07-12 $111,000
5325660 Method of burning a premixed gas in a combustor cap Masayuki Taniguchi, Yasuo Yoshii, Tadayoshi Murakami, Shigeru Azuhata, Norio Arashi +2 more 1994-07-05 $115,000
5323614 Combustor for gas turbine Satoshi Tsukahara, Hiroshi Inoue, Noriyuki Hayashi, Kazumi Iwai, Tamio Innami +7 more 1994-06-28 $72,000
5319919 Method for controlling gas turbine combustor Yoshiharu Nakayama, Isao Sato, Hiraku Ikeda, Nobuyuki Iizuka, Kazuhiko Kumata +4 more 1994-06-14 $87,000
5319936 Combustor system for stabilizing a premixed flame and a turbine system using the same Hiraku Ikeda, Nobuyuki Iizuka, Yasutaka Komatsu, Isao Sato, Masayuki Taniguchi +2 more 1994-06-14 $87,000
5239831 Burner having one or more eddy generating devices Nobuyuki Iizuka, Haruo Urushidani, Kazuhiko Kumata, Isao Sato, Tetsuo Sasada +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, Yoji Ishibashi, Hiroshi Inoue, Fumio Kato, Takashi Hashimoto +2 more 1993-04-13 $55,000
5127229 Gas turbine combustor Yoji Ishibashi, Hiroshi Inoue, Takashi Ohmori, Takashi Hashimoto, Fumio Kato +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 Yoji Ishibashi, Takashi Ohmori, Fumio Kato, Nobuyuki Iizuka 1992-01-21 $68,000
5069029 Gas turbine combustor and combustion method therefor Seiichi Kirikami, Katsukuni Hisano, Nobuyuki Iizuka, Haruo Urushidani, Isao Sato +2 more 1991-12-03 $66,000
5054280 Gas turbine combustor and method of running the same Yoji Ishibashi, Hiroshi Inoue, Takashi Ohmori, Takashi Hashimoto, Fumio Kato +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
5016443 Fuel-air premixing device for a gas turbine Nobuo Shimizu, Seiichi Kirikami, Isao Sato, Osamu Arai 1991-05-21 $31,000
4898001 Gas turbine combustor Isao Sato, Yoji Ishibashi, Yoshihiro Uchiyama, Takashi Ohmori, Shigeyuki Akatsu +3 more 1990-02-06 $59,000
4872312 Gas turbine combustion apparatus Nobuyuki Iizuka, Kazuhiko Kumata 1989-10-10 $33,000
4820594 Method of starting fuel cell power generation system Shigehisa Sugita, Kazuhito Koyama, Koji Shiina, Seiichiro Sakaguchi, Yoshiki Noguchi 1989-04-11 $33,000