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Forward Citations = 162

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16 inventors (with patents filed for the assignee):

Masami Tomikawa (6 out of 8 patents)

Hideo Ohkawa (3 out of 5 patents)

Hiroyuki Ishitobi (2 out of 2 patents)

4. Takeshi Matsumoto (2 out of 2 patents)

5. Akiji Tsunoda (2 out of 2 patents)

6. Kazuhisa Kaneda (2 out of 2 patents)

7. Yutaka Mugino (2 out of 3 patents)

8. Hidehiko Kaji (2 out of 6 patents)

9. Isao Mako (1 out of 1 patent)

10. Norio Sugi (1 out of 1 patent)

11. Atsuo Ikenaga (1 out of 1 patent)

12. Shoichi Iwata (1 out of 1 patent)

13. Kosaku Honna (1 out of 8 patents)

14. Nobuaki Shimizu (1 out of 1 patent)

15. Osamu Isogai (1 out of 3 patents)

7 patents: Sort by Forward Citations

1. 4026841 - Molding material having superior buffering character (1977-05-31),

2. 4022845 - Process for producing alkyl adamantanes (1977-05-10),

3. 4019822 - Pencils not requiring sharpening (1977-04-26),

4. 3994115 - Method of packaging perishable foods and product thereof (1976-11-30),

5. 3976612 - Polyethylene composition (1976-08-24),

6. 3960722 - Oil adsorbent (1976-06-01),

7. 3940811 - Lightweight construction materials and articles made thereof (1976-03-02),

Idemitsu Kosan Co., Ltd. is a Japanese multinational petroleum company. They are one of the largest oil companies in Japan, specializing in the production and distribution of petroleum products, lubricants, and petrochemicals. Idemitsu Kosan Co., Ltd. also engages in renewable energy and LNG projects, as part of their commitment to sustainability and environmental responsibility.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

7 Patents

#2,027 in Tokyo

#5,307 in Japan

Tokyo, Japan

Idemitsu, Kosan Kabushiki-Kaisha (Idemitsu Kosan Co., Ltd.)