Growing community of inventors

Tokyo, Japan

Takashi Sugiyama

Average Co-Inventor Count = 2.06

ph-index = 13

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 547

Takashi SugiyamaKazuyuki Hayashi (7 patents)Takashi SugiyamaYasuo Toko (6 patents)Takashi SugiyamaKazuo Kadowaki (6 patents)Takashi SugiyamaYoshihisa Iwamoto (5 patents)Takashi SugiyamaSatoshi Maekawa (4 patents)Takashi SugiyamaMasaki Mikami (4 patents)Takashi SugiyamaShunsuke Kobayashi (3 patents)Takashi SugiyamaMasatoshi Horii (3 patents)Takashi SugiyamaTakashi Azuma (2 patents)Takashi SugiyamaShin-ichiro Umemura (2 patents)Takashi SugiyamaToru Sahara (2 patents)Takashi SugiyamaEiichi Ando (2 patents)Takashi SugiyamaYuichi Miwa (2 patents)Takashi SugiyamaYoji Suzuki (2 patents)Takashi SugiyamaShinya Kogure (2 patents)Takashi SugiyamaShigeru Murata (2 patents)Takashi SugiyamaKenichi Masuda (2 patents)Takashi SugiyamaTakashi Kamimura (2 patents)Takashi SugiyamaHiroshi Kuribara (2 patents)Takashi SugiyamaAtsushi Itagaki (2 patents)Takashi SugiyamaSatoru Shimada (2 patents)Takashi SugiyamaToshiyuki Fuji (2 patents)Takashi SugiyamaYasufumi Iimura (2 patents)Takashi SugiyamaKatsunori Nakazawa (2 patents)Takashi SugiyamaYukio Ito (1 patent)Takashi SugiyamaKoji Yamada (1 patent)Takashi SugiyamaYataro Ichikawa (1 patent)Takashi SugiyamaRyotaro Owada (1 patent)Takashi SugiyamaToru Hashimoto (1 patent)Takashi SugiyamaTimothy Michael Mazurkiewicz (1 patent)Takashi SugiyamaYoshiaki Ikuta (1 patent)Takashi SugiyamaDaisuke Nishiwaki (1 patent)Takashi SugiyamaHiroaki Hayashi (1 patent)Takashi SugiyamaSatoshi Tamano (1 patent)Takashi SugiyamaYasuyuki Kawakami (1 patent)Takashi SugiyamaOsamu Ishii (1 patent)Takashi SugiyamaJun Kubota (1 patent)Takashi SugiyamaAtsushi Imaizumi (1 patent)Takashi SugiyamaKen Ishihara (1 patent)Takashi SugiyamaMasabumi Ito (1 patent)Takashi SugiyamaToshihiro Seko (1 patent)Takashi SugiyamaTakeshi Waragaya (1 patent)Takashi SugiyamaYoshifumi Takao (1 patent)Takashi SugiyamaShinji Kishimoto (1 patent)Takashi SugiyamaKunihiko Katano (1 patent)Takashi SugiyamaYusuke Tani (1 patent)Takashi SugiyamaHiroshi Uesugi (1 patent)Takashi SugiyamaTsuyoshi Maruyama (1 patent)Takashi SugiyamaMasahiro Okada (1 patent)Takashi SugiyamaYoshihiro Shimada (1 patent)Takashi SugiyamaKenichi Masuda (1 patent)Takashi SugiyamaSyoji Ono (1 patent)Takashi SugiyamaChristopher Ryan Branca (1 patent)Takashi SugiyamaMunechika Kubota (1 patent)Takashi SugiyamaYuki Kitamura (1 patent)Takashi SugiyamaEiko Ohtsuka (1 patent)Takashi SugiyamaMasataka Iyadomi (1 patent)Takashi SugiyamaAtsushi Nagasaki (1 patent)Takashi SugiyamaPranav Mahesh Bhatt (1 patent)Takashi SugiyamaYohichi Matsumoto (1 patent)Takashi SugiyamaAkiko Takeuchi (1 patent)Takashi SugiyamaKunihito Watanabe (1 patent)Takashi SugiyamaGo Oota (1 patent)Takashi SugiyamaKiyoshi Ando (1 patent)Takashi SugiyamaYouichi Tsujiguchi (1 patent)Takashi SugiyamaTetsuya Suga (1 patent)Takashi SugiyamaShinji Oomori (1 patent)Takashi SugiyamaYuji Tomitaka (1 patent)Takashi SugiyamaTomonori Shimamura (1 patent)Takashi SugiyamaAtsuhiko Minekawa (1 patent)Takashi SugiyamaKeiichi Hirata (1 patent)Takashi SugiyamaSatoshi Sasaki (1 patent)Takashi SugiyamaJun Wakishima (1 patent)Takashi SugiyamaJun Tanouchi (1 patent)Takashi SugiyamaHitoshi Ohmori (1 patent)Takashi SugiyamaAkiko Azuma (1 patent)Takashi SugiyamaYoshiko Kawakami (1 patent)Takashi SugiyamaChihiro Hiraga (1 patent)Takashi SugiyamaKatsunori Ogo (1 patent)Takashi SugiyamaShinji Omori (1 patent)Takashi SugiyamaHiroshi Abiko (1 patent)Takashi SugiyamaMarkon Sandor (1 patent)Takashi SugiyamaMiki Yamaoka (1 patent)Takashi SugiyamaShigetoshi Kitabayashi (1 patent)Takashi SugiyamaKeizo Takemasa (1 patent)Takashi SugiyamaXiang Yu (1 patent)Takashi SugiyamaKouyu Moriya (1 patent)Takashi SugiyamaKazyuki Hayashi (1 patent)Takashi SugiyamaTakashi Sugiyama (72 patents)Kazuyuki HayashiKazuyuki Hayashi (22 patents)Yasuo TokoYasuo Toko (44 patents)Kazuo KadowakiKazuo Kadowaki (9 patents)Yoshihisa IwamotoYoshihisa Iwamoto (49 patents)Satoshi MaekawaSatoshi Maekawa (17 patents)Masaki MikamiMasaki Mikami (16 patents)Shunsuke KobayashiShunsuke Kobayashi (28 patents)Masatoshi HoriiMasatoshi Horii (6 patents)Takashi AzumaTakashi Azuma (64 patents)Shin-ichiro UmemuraShin-ichiro Umemura (39 patents)Toru SaharaToru Sahara (34 patents)Eiichi AndoEiichi Ando (29 patents)Yuichi MiwaYuichi Miwa (26 patents)Yoji SuzukiYoji Suzuki (25 patents)Shinya KogureShinya Kogure (19 patents)Shigeru MurataShigeru Murata (11 patents)Kenichi MasudaKenichi Masuda (11 patents)Takashi KamimuraTakashi Kamimura (9 patents)Hiroshi KuribaraHiroshi Kuribara (8 patents)Atsushi ItagakiAtsushi Itagaki (5 patents)Satoru ShimadaSatoru Shimada (5 patents)Toshiyuki FujiToshiyuki Fuji (4 patents)Yasufumi IimuraYasufumi Iimura (3 patents)Katsunori NakazawaKatsunori Nakazawa (2 patents)Yukio ItoYukio Ito (87 patents)Koji YamadaKoji Yamada (50 patents)Yataro IchikawaYataro Ichikawa (46 patents)Ryotaro OwadaRyotaro Owada (38 patents)Toru HashimotoToru Hashimoto (36 patents)Timothy Michael MazurkiewiczTimothy Michael Mazurkiewicz (34 patents)Yoshiaki IkutaYoshiaki Ikuta (31 patents)Daisuke NishiwakiDaisuke Nishiwaki (27 patents)Hiroaki HayashiHiroaki Hayashi (25 patents)Satoshi TamanoSatoshi Tamano (23 patents)Yasuyuki KawakamiYasuyuki Kawakami (17 patents)Osamu IshiiOsamu Ishii (17 patents)Jun KubotaJun Kubota (17 patents)Atsushi ImaizumiAtsushi Imaizumi (14 patents)Ken IshiharaKen Ishihara (14 patents)Masabumi ItoMasabumi Ito (13 patents)Toshihiro SekoToshihiro Seko (12 patents)Takeshi WaragayaTakeshi Waragaya (11 patents)Yoshifumi TakaoYoshifumi Takao (10 patents)Shinji KishimotoShinji Kishimoto (10 patents)Kunihiko KatanoKunihiko Katano (7 patents)Yusuke TaniYusuke Tani (7 patents)Hiroshi UesugiHiroshi Uesugi (6 patents)Tsuyoshi MaruyamaTsuyoshi Maruyama (6 patents)Masahiro OkadaMasahiro Okada (5 patents)Yoshihiro ShimadaYoshihiro Shimada (5 patents)Kenichi MasudaKenichi Masuda (3 patents)Syoji OnoSyoji Ono (4 patents)Christopher Ryan BrancaChristopher Ryan Branca (4 patents)Munechika KubotaMunechika Kubota (4 patents)Yuki KitamuraYuki Kitamura (3 patents)Eiko OhtsukaEiko Ohtsuka (3 patents)Masataka IyadomiMasataka Iyadomi (3 patents)Atsushi NagasakiAtsushi Nagasaki (3 patents)Pranav Mahesh BhattPranav Mahesh Bhatt (3 patents)Yohichi MatsumotoYohichi Matsumoto (2 patents)Akiko TakeuchiAkiko Takeuchi (2 patents)Kunihito WatanabeKunihito Watanabe (2 patents)Go OotaGo Oota (2 patents)Kiyoshi AndoKiyoshi Ando (2 patents)Youichi TsujiguchiYouichi Tsujiguchi (2 patents)Tetsuya SugaTetsuya Suga (2 patents)Shinji OomoriShinji Oomori (2 patents)Yuji TomitakaYuji Tomitaka (2 patents)Tomonori ShimamuraTomonori Shimamura (2 patents)Atsuhiko MinekawaAtsuhiko Minekawa (2 patents)Keiichi HirataKeiichi Hirata (2 patents)Satoshi SasakiSatoshi Sasaki (2 patents)Jun WakishimaJun Wakishima (1 patent)Jun TanouchiJun Tanouchi (1 patent)Hitoshi OhmoriHitoshi Ohmori (1 patent)Akiko AzumaAkiko Azuma (1 patent)Yoshiko KawakamiYoshiko Kawakami (1 patent)Chihiro HiragaChihiro Hiraga (1 patent)Katsunori OgoKatsunori Ogo (1 patent)Shinji OmoriShinji Omori (1 patent)Hiroshi AbikoHiroshi Abiko (1 patent)Markon SandorMarkon Sandor (1 patent)Miki YamaokaMiki Yamaoka (1 patent)Shigetoshi KitabayashiShigetoshi Kitabayashi (1 patent)Keizo TakemasaKeizo Takemasa (1 patent)Xiang YuXiang Yu (1 patent)Kouyu MoriyaKouyu Moriya (1 patent)Kazyuki HayashiKazyuki Hayashi (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Stanley Electric Co., Ltd (38 from 1,432 patents)

2. Asahi Glass Company, Limited (11 from 2,559 patents)

3. Nippon Closures Co., Ltd. (7 from 30 patents)

4. Hitachi Medical Corporation (5 from 900 patents)

5. National Institute of Information and Communications Technology, Incorporated (4 from 356 patents)

6. Other (3 from 831,952 patents)

7. Kabushiki Kaisha Toshiba (3 from 52,568 patents)

8. Teijin Limited (3 from 1,581 patents)

9. Fujitsu General Limited (2 from 389 patents)

10. Lapis Semiconductor Co., Ltd. (1 from 701 patents)

11. Aptargroup, Inc. (1 from 185 patents)

12. Evident Corporation (1 from 62 patents)

13. Bio Coke Lab. Co., Ltd. (1 from 3 patents)


72 patents:

1. 11952177 - Synthetic resin container closure

2. 11841491 - Observation vessel, sample preparation method, and observation method

3. 11753215 - Container closure of synthetic resin

4. 11628982 - Plastic cap and method for manufacturing same

5. 11325758 - Composite container lid

6. 11180288 - Synthetic resin container lid

7. 11180293 - Synthetic resin container lid

8. 11110853 - Vehicle headlight system

9. 10788185 - Vehicular lamp system configured to change the extent of high-low ratio of the illumination distributions

10. 10746368 - Vehicular headlight

11. 10738958 - Lighting device

12. 10557611 - Method for adjusting output light color of vehicular headlamp unit

13. 10391928 - Lighting tool for vehicle

14. 10343826 - Container lid composed of inside plug and lid body

15. 10174894 - Vehicle headlamp unit and vehicle headlamp system

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9/27/2025
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